CCNA Billing, Pricing, and Support Questions — Page 3 of 3

151

MCQmedium

A company currently uses the AWS Basic Support plan. The CTO wants to access the complete set of AWS Trusted Advisor checks, including those related to cost optimization and performance. Additionally, the CTO requires a guaranteed response time of less than 15 minutes for critical business-impairing issues. Which AWS Support plan should the company choose to meet all of these requirements?

A.AWS Business Support

B.AWS Developer Support

C.AWS Enterprise Support

D.AWS Basic Support

AnswerC

Enterprise Support provides the full set of Trusted Advisor checks (including cost optimization and performance) and guarantees a response time of under 15 minutes for critical business-impairing issues. This plan meets both requirements stated by the CTO.

Why this answer

The AWS Enterprise Support plan is the only plan that provides access to the complete set of AWS Trusted Advisor checks, including cost optimization and performance checks, along with a guaranteed response time of less than 15 minutes for critical business-impairing issues. The Business Support plan offers a 15-minute response time for critical issues but only includes core Trusted Advisor checks, not the full set. The Developer Support plan lacks both the full Trusted Advisor checks and the critical response time guarantee.

Exam trap

The trap here is that candidates often assume AWS Business Support includes the complete Trusted Advisor checks because it offers a 15-minute critical response time, but the full check set is exclusive to Enterprise Support.

How to eliminate wrong answers

Option A is wrong because AWS Business Support provides a 15-minute response time for critical issues but only includes core Trusted Advisor checks (service limits, security groups, and IAM use), not the complete set covering cost optimization and performance. Option B is wrong because AWS Developer Support does not include a guaranteed response time of less than 15 minutes for critical issues (its fastest response is <1 hour for general guidance) and only provides core Trusted Advisor checks, not the full set.

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152

MCQmedium

A company has an AWS Basic Support plan. The operations team wants to use AWS Trusted Advisor to receive recommendations for cost optimization, such as identifying idle load balancers and underutilized Amazon EC2 instances. They log into the AWS Management Console and navigate to Trusted Advisor, but they only see a limited set of checks, such as S3 bucket permissions and service limits. Which action should the team take to access the complete library of Trusted Advisor checks, including the cost optimization recommendations?

A.Enable AWS Config to perform the cost optimization and underutilization checks.

B.Upgrade to a Developer Support plan.

C.Upgrade to a Business or Enterprise Support plan.

D.No action is needed; the full set of Trusted Advisor checks is already available for all AWS Support plans.

AnswerC

The full library of Trusted Advisor checks, which includes cost optimization recommendations (e.g., idle load balancers, underutilized EC2 instances), is available only to customers with a Business or Enterprise Support plan. These plans provide access to all checks across security, cost optimization, performance, and fault tolerance.

Why this answer

AWS Trusted Advisor provides a full set of checks, including cost optimization recommendations (e.g., idle load balancers, underutilized EC2 instances), only to customers with a Business or Enterprise Support plan. The Basic Support plan restricts Trusted Advisor to a limited subset of checks, such as S3 bucket permissions and service limits. Therefore, upgrading to a Business or Enterprise Support plan is required to access the complete library of checks.

Exam trap

The trap here is that candidates often assume AWS Config can perform cost optimization checks similar to Trusted Advisor, or that upgrading to a Developer plan is sufficient, when in fact only Business or Enterprise plans unlock the full Trusted Advisor check library.

How to eliminate wrong answers

Option A is wrong because AWS Config is a service for resource inventory, configuration history, and compliance auditing, not for performing Trusted Advisor's cost optimization checks; it cannot replace the Trusted Advisor checks for idle load balancers or underutilized EC2 instances. Option B is wrong because the Developer Support plan still limits Trusted Advisor to the same basic set of checks as the Basic plan; only Business or Enterprise Support plans unlock the full set of Trusted Advisor checks, including cost optimization.

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153

MCQmedium

A company has committed to a 1-year Compute Savings Plan at $100/hour. During a given hour, their actual compute usage is only worth $80 at On-Demand rates. How does the Savings Plan apply?

A.You pay $80 (actual usage) and the unused $20 commitment carries over to the next hour

B.You pay the committed $100 for the hour, with $20 of the commitment being unused

C.You are refunded the $20 unused portion at end of month

D.You pay $80 discounted at the Savings Plan rate, saving even more than committed

AnswerB

Savings Plans commit you to pay a fixed hourly rate. If actual usage is below commitment, you pay the committed amount — the unused portion doesn't carry over.

Why this answer

With a Compute Savings Plan, you commit to a consistent hourly spend ($100/hour) in exchange for lower compute rates. If your actual usage in an hour is only $80 at On-Demand rates, you still pay the full $100 commitment for that hour; the unused $20 is not refunded or carried over. This is because Savings Plans require you to pay the committed amount regardless of actual usage, ensuring AWS receives the predictable revenue that funds the discount.

Exam trap

The trap here is that candidates assume unused Savings Plan commitment is either refunded or carried over, similar to a prepaid service credit, when in fact it is forfeited per hour, testing your understanding that Savings Plans are a commitment-based discount model, not a usage-based credit.

How to eliminate wrong answers

Option A is wrong because unused commitment does not carry over to the next hour; Savings Plans are measured and billed per hour, and any unused portion is forfeited. Option C is wrong because there is no end-of-month refund for unused Savings Plan commitment; the discount applies only to usage up to the commitment, and unused amounts are not reimbursed. Option D is wrong because the Savings Plan discount applies to the committed amount, not to actual usage; you do not pay a discounted rate on the $80 usage—you pay the full $100 commitment, and the discount reduces the effective rate for usage covered by the plan.

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154

MCQmedium

A startup is planning to migrate its web application to AWS. The CTO wants to estimate the monthly cost of running the application on Amazon EC2 and Amazon RDS, including data transfer costs. The team has not yet created any AWS accounts or resources. They need a tool that allows them to input assumptions about instance types, storage, and data transfer to generate a detailed cost estimate. Which AWS tool should they use?

A.AWS Cost Explorer

B.AWS Budgets

C.AWS Pricing Calculator

D.AWS Trusted Advisor

AnswerC

The AWS Pricing Calculator is a free web-based tool that lets you estimate the cost of AWS services based on your specific input parameters, such as instance types, storage, and data transfer. It is ideal for planning a migration before any AWS resources are created.

Why this answer

AWS Pricing Calculator (option C) is the correct tool because it allows users to input assumptions about EC2 instance types, RDS configurations, storage, and data transfer to generate a detailed monthly cost estimate before any AWS resources are created. Unlike Cost Explorer, which requires existing usage data, the Pricing Calculator is designed for upfront cost modeling and planning.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer (which requires existing usage data) with the AWS Pricing Calculator (which is specifically designed for pre-provisioning cost estimation), leading them to select Cost Explorer when no AWS account or resources exist yet.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer analyzes historical and current AWS spending using existing cost and usage data, and cannot generate estimates without an active account or resource usage. Option B is wrong because AWS Budgets sets cost thresholds and alerts based on actual or forecasted spending, but does not provide a cost estimation interface for hypothetical resource configurations. Option D is wrong because AWS Trusted Advisor inspects existing AWS environments for best practices in cost optimization, performance, security, and fault tolerance, and cannot produce cost estimates for resources that have not been provisioned.

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155

MCQmedium

A company needs 24/7 phone and chat access to AWS support engineers, full access to all AWS Trusted Advisor checks, and a response time of less than 1 hour for production system outages. Which is the minimum AWS Support plan that meets all these requirements?

A.Basic Support

B.Developer Support

C.Business Support

D.Enterprise On-Ramp Support

AnswerC

Business Support includes 24/7 phone and chat access, full Trusted Advisor checks, a 1-hour response time for production system down, and access to the AWS Support API. This is the minimum plan meeting all stated requirements.

Why this answer

The Business Support plan is the minimum plan that provides 24/7 phone and chat access to AWS support engineers, full access to all AWS Trusted Advisor checks, and a response time of less than 1 hour for production system outages. The Basic and Developer plans lack 24/7 phone/chat and full Trusted Advisor checks, while the Enterprise On-Ramp plan offers these features but is not the minimum because Business Support already meets all requirements.

Exam trap

The trap here is that candidates often confuse Enterprise On-Ramp Support as the minimum because it includes all features, but the question asks for the 'minimum' plan, and Business Support already satisfies every requirement without the higher cost of Enterprise On-Ramp.

How to eliminate wrong answers

Option A is wrong because Basic Support provides only documentation, whitepapers, and limited Trusted Advisor checks (core checks only), with no phone/chat access or defined response times for production outages. Option B is wrong because Developer Support offers business hours email access only, no 24/7 phone/chat, and limited Trusted Advisor checks (core checks only), with a response time of less than 12 hours for production outages, not under 1 hour. Option D is wrong because Enterprise On-Ramp Support does include 24/7 phone/chat, full Trusted Advisor checks, and a 1-hour response time for production outages, but it is not the minimum plan—Business Support is the lowest tier that provides all these features.

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156

MCQmedium

A company uses AWS for its development environment. The finance team wants to set a monthly budget of $10,000. They want to receive an email notification when the actual costs reach 80% of the budget ($8,000) and again when costs exceed the budget. The team needs a managed AWS service that can automatically send these alerts without requiring custom code or third-party tools. Which AWS service should the team use?

A.AWS Cost Explorer

B.AWS Budgets

C.AWS Trusted Advisor

D.AWS Organizations

AnswerB

AWS Budgets allows you to set custom cost and usage budgets, define alert thresholds (e.g., at 80% of budget), and automatically send email or SNS notifications when those thresholds are met or exceeded. This meets the requirement without custom code.

Why this answer

AWS Budgets is a managed service that allows you to set custom cost and usage budgets and receive alerts when your actual or forecasted costs exceed (or are forecasted to exceed) your budgeted amount. It can automatically send email notifications at specified thresholds (e.g., 80% and 100%) without requiring any custom code or third-party tools, making it the ideal solution for the finance team's requirements.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer's cost analysis and forecasting capabilities with automated alerting, but Cost Explorer does not natively send proactive notifications; AWS Budgets is the correct service for threshold-based alerts.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer is a tool for visualizing, understanding, and analyzing your AWS costs and usage over time, but it does not natively send automated email alerts based on budget thresholds. Option C is wrong because AWS Trusted Advisor is a service that inspects your AWS environment and makes recommendations for cost optimization, performance, security, and fault tolerance, but it does not provide budget alerting or notification capabilities.

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157

MCQmedium

A company runs a large-scale e-commerce platform on AWS and is preparing for a major product launch. The company needs the highest level of AWS support, including a response time of 15 minutes or less for critical business-impacting issues. Additionally, the company wants a designated Technical Account Manager (TAM) to provide proactive guidance and a personalized onboarding plan. Which AWS Support plan should the company select?

A.AWS Developer Support

B.AWS Business Support

C.AWS Enterprise On-Ramp

D.AWS Enterprise Support

AnswerD

The Enterprise Support plan is the highest level of AWS support. It provides a 15-minute response time for critical business-impacting issues and includes a designated Technical Account Manager (TAM) who offers proactive guidance, architectural best practices, and personalized support. This plan meets all the stated requirements.

Why this answer

AWS Enterprise Support is the only plan that offers a 15-minute response time for critical business-impacting issues and includes a designated Technical Account Manager (TAM) who provides proactive guidance and a personalized onboarding plan. This meets the company's requirements for the highest level of support during a major product launch.

Exam trap

The trap here is that candidates may confuse AWS Enterprise On-Ramp (which offers a TAM but a 30-minute response time) with AWS Enterprise Support (which offers a 15-minute response time and the highest level of support), or assume Business Support includes a TAM when it does not.

How to eliminate wrong answers

Option A is wrong because AWS Developer Support provides only general guidance with a response time of less than 12 hours for critical issues, no TAM, and no personalized onboarding plan. Option B is wrong because AWS Business Support offers a 1-hour response time for critical issues and does not include a designated TAM or personalized onboarding. Option C is wrong because AWS Enterprise On-Ramp provides a TAM and a response time of 30 minutes for critical issues, but not the 15-minute response time required by the company.

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158

MCQmedium

A company runs a containerized application on Amazon ECS using a mix of Amazon EC2 On-Demand instances from different instance families (e.g., M5, C5, R5). The workload is consistent, and the company is willing to commit to a 1-year term to reduce costs. However, the team expects to change instance families within the next 12 months due to new hardware requirements and wants the flexibility to switch instance families without incurring a financial penalty. Which pricing option best meets these requirements?

A.Compute Savings Plans

B.EC2 Instance Savings Plans

C.Convertible Reserved Instances

D.Standard Reserved Instances

AnswerA

Correct. Compute Savings Plans apply to any EC2 instance usage across any region (when scoped to region), regardless of instance family, and provide the flexibility to change instance families without any penalty, while offering substantial discounts over On-Demand pricing.

Why this answer

Compute Savings Plans provide the most flexibility by applying a discounted hourly commitment (e.g., $10/hour) across any EC2 instance family, region, OS, or tenancy, and also cover Fargate and Lambda usage. Since the company expects to change instance families within the 1-year term, Compute Savings Plans allow switching without penalty, unlike instance-specific plans.

Exam trap

The trap here is that candidates often confuse EC2 Instance Savings Plans with Compute Savings Plans, assuming instance-specific plans offer the same flexibility, but they fail to recognize that only Compute Savings Plans allow family changes without penalty or manual exchange.

How to eliminate wrong answers

Option B is wrong because EC2 Instance Savings Plans lock the discount to a specific instance family (e.g., M5) within a region; switching families would forfeit the discounted rate and incur on-demand charges. Option C is wrong because Convertible Reserved Instances require a 1:1 or 1:many exchange to a different instance family, which is possible but involves a manual modification process and potential upfront payment changes, and they do not cover Fargate or Lambda; the question emphasizes flexibility without financial penalty, and Convertible RIs still require an exchange that may result in a different upfront cost or term adjustment.

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159

MCQmedium

A company wants to review its AWS spending for the past six months to identify which services and business units are driving costs. The finance team needs to interactively examine cost trends, filter by service and account, and visualize the data without setting up complex reports. Which AWS service or tool should the company use to meet these requirements?

A.AWS Cost Explorer

B.AWS Budgets

C.AWS Trusted Advisor

D.AWS Cost and Usage Reports

AnswerA

AWS Cost Explorer offers a ready-to-use graphical interface to explore and analyze your AWS costs and usage over custom time periods, with filters by service, account, region, and tags. It directly meets the need for interactive trend analysis without requiring additional setup.

Why this answer

AWS Cost Explorer provides a pre-built, interactive dashboard that allows you to visualize and analyze your AWS cost and usage data over the past 12 months. You can filter by service, linked account (business unit), and time range, and drill down into trends without needing to set up complex reports or queries. This directly meets the requirement for interactive examination of cost trends by service and account.

Exam trap

The trap here is that candidates confuse AWS Cost Explorer (interactive visualization) with AWS Cost and Usage Reports (raw data export), assuming both provide the same interactive experience, but CUR requires additional tools like Athena or QuickSight to visualize the data.

How to eliminate wrong answers

Option B (AWS Budgets) is wrong because it is used to set spending limits and receive alerts when costs exceed thresholds, not for interactive exploration or visualization of historical cost trends. Option C (AWS Trusted Advisor) is wrong because it provides best-practice recommendations for cost optimization, security, and performance, but does not offer interactive cost visualization or filtering by service and account. Option D (AWS Cost and Usage Reports) is wrong because it delivers raw, detailed CSV/Parquet data to an S3 bucket for programmatic analysis or integration with tools like Athena or QuickSight, but it does not provide an interactive visual interface for ad-hoc exploration.

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160

MCQmedium

A company runs development and test environments on Amazon EC2 instances in separate AWS accounts. The finance team wants to automatically stop all non-production EC2 instances if the monthly development account costs exceed $1,000. The team needs a solution that requires no manual intervention and uses only AWS-native features. Which AWS feature should the team configure to meet these requirements?

A.AWS Cost Explorer with a cost allocation tag filter

B.AWS Budgets with a cost action

C.AWS Trusted Advisor with the cost optimization check

D.Amazon CloudWatch with a billing metric alarm

AnswerB

AWS Budgets allows you to set cost or usage budgets and attach actions (such as stopping EC2 instances) that are automatically triggered when the budget threshold is reached. This meets the requirement for no manual intervention.

Why this answer

AWS Budgets allows you to set a cost budget with a cost action that automatically stops EC2 instances when the threshold is exceeded. This meets the requirement for no manual intervention and uses only AWS-native features, as the cost action can be configured to trigger an IAM policy or a service control policy (SCP) to stop instances in the development account.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer's reporting capabilities with the ability to trigger automated responses, but only AWS Budgets with cost actions can execute predefined actions based on budget thresholds.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer is a visualization and analysis tool for historical cost data; it cannot trigger automated actions like stopping instances. Option C is wrong because AWS Trusted Advisor provides cost optimization recommendations but does not have the capability to execute automated actions such as stopping EC2 instances based on cost thresholds.

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161

MCQmedium

A company is deploying a mission-critical application on AWS. The application requires the highest level of support available, including a designated Technical Account Manager (TAM) and a response time of 15 minutes or less for production system down cases. Which AWS Support plan should the company choose?

A.Developer

B.Business

C.Enterprise On-Ramp

D.Enterprise

AnswerD

The Enterprise Support plan is the only plan that includes a designated Technical Account Manager (TAM) and provides a 15-minute response time for production system down cases, meeting all stated requirements.

Why this answer

The Enterprise support plan is the only AWS Support plan that includes a designated Technical Account Manager (TAM) and a 15-minute response time for production system down cases. The company's requirement for the highest level of support with these specific features directly maps to the Enterprise plan, which is designed for mission-critical workloads.

Exam trap

The trap here is that candidates may confuse the Enterprise On-Ramp plan (which includes a TAM but has a 30-minute response time) with the full Enterprise plan (which has a 15-minute response time), overlooking the specific response time requirement in the question.

How to eliminate wrong answers

Option A is wrong because the Developer plan provides only business hours email access and no TAM, with a response time of 12 hours for system impaired cases, not 15 minutes. Option B is wrong because the Business plan offers 1-hour response for production system down but does not include a designated TAM, which is a key requirement. Option C is wrong because the Enterprise On-Ramp plan includes a TAM but has a 30-minute response time for production system down, not the required 15 minutes.

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162

MCQeasy

A finance team wants to view and analyse their AWS spending patterns over the past 12 months, filter costs by service and linked account, and identify which teams are spending the most. Which AWS tool provides this historical cost analysis?

A.AWS Pricing Calculator

B.AWS Budgets

C.AWS Trusted Advisor

D.AWS Cost Explorer

AnswerD

Cost Explorer provides interactive graphs and filtering of up to 13 months of historical AWS costs. The finance team can filter by service, linked account, region, and cost allocation tag to identify spending trends and cost drivers.

Why this answer

AWS Cost Explorer is the correct tool because it provides a pre-built, customizable dashboard for visualizing, analyzing, and filtering historical AWS cost and usage data over the past 12 months. It allows you to group costs by service, linked account, or tag, making it ideal for identifying which teams are spending the most.

Exam trap

The trap here is that candidates often confuse AWS Budgets (which is for setting alerts) with Cost Explorer (which is for historical analysis), or they mistakenly think AWS Trusted Advisor provides detailed cost breakdowns when it only offers high-level optimization checks.

How to eliminate wrong answers

Option A is wrong because AWS Pricing Calculator is a cost estimation tool for future usage, not a historical cost analysis tool. Option B is wrong because AWS Budgets is used to set spending thresholds and send alerts, not to view or analyze past spending patterns. Option C is wrong because AWS Trusted Advisor provides best-practice recommendations for cost optimization, security, and performance, but it does not offer granular historical cost analysis or filtering by service and linked account.

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163

MCQmedium

A company running large-scale scientific simulations needs EC2 instances with exclusive access to a physical host for software licensing reasons (per-socket licensing). Which EC2 option provides this?

A.Dedicated Instances

B.Dedicated Hosts

C.Reserved Instances

D.EC2 Bare Metal instances

AnswerB

Dedicated Hosts provide an entire physical server with visibility into sockets, cores, and instance slots — enabling per-socket or per-core software license compliance and consistent placement.

Why this answer

Dedicated Hosts (Option B) provide EC2 instances with exclusive access to a physical host, allowing you to control instance placement on a specific server. This is required for per-socket software licensing because you can see and manage the physical sockets and cores of the host, ensuring compliance with licensing terms that are tied to physical hardware.

Exam trap

The trap here is confusing Dedicated Instances with Dedicated Hosts: candidates often think 'dedicated' means full hardware control, but Dedicated Instances only provide single-tenant isolation without exposing socket/core information, which is insufficient for per-socket licensing compliance.

How to eliminate wrong answers

Option A (Dedicated Instances) is wrong because they run on a physical host dedicated to a single AWS account but do not provide visibility or control over the underlying physical sockets and cores, so per-socket licensing compliance cannot be verified. Option C (Reserved Instances) is wrong because they are a billing discount model that applies to instance usage, not a physical isolation or hardware visibility feature; they do not grant exclusive access to a physical host. Option D (EC2 Bare Metal instances) is wrong because while they provide direct access to the underlying hardware, they are designed for workloads that require a non-virtualized environment (e.g., hypervisor-level licensing), not specifically for per-socket licensing visibility; Dedicated Hosts are the correct service for socket-level control.

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164

MCQmedium

A company runs a customer-facing web application on Amazon EC2 instances. The company wants to have access to technical support with a guaranteed response time of 1 hour for critical production system failures. The company also needs access to AWS Trusted Advisor to get cost optimization recommendations. Which AWS Support plan meets these requirements?

A.AWS Basic Support

B.AWS Developer Support

C.AWS Business Support

D.AWS Enterprise Support

AnswerC

AWS Business Support offers a 1-hour response time for critical production system failures and includes the full set of Trusted Advisor checks, including cost optimization recommendations. This matches the company's requirements.

Why this answer

AWS Business Support is the minimum tier that provides a 1-hour response time for critical production system failures and includes full access to AWS Trusted Advisor, which offers cost optimization recommendations. Basic and Developer Support plans either lack Trusted Advisor or have slower response times, making Business Support the correct choice.

Exam trap

The trap here is that candidates often confuse AWS Developer Support's limited Trusted Advisor access and slower response times with the full-featured Business Support plan, assuming any paid plan meets all requirements.

How to eliminate wrong answers

Option A is wrong because AWS Basic Support does not include any technical support with guaranteed response times or access to AWS Trusted Advisor for cost optimization; it only provides access to documentation, whitepapers, and the AWS Health Dashboard. Option B is wrong because AWS Developer Support offers a 12-hour response time for critical failures (not 1 hour) and only provides Trusted Advisor checks for basic security and service limits, not the full set of cost optimization recommendations.

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165

MCQmedium

A company uses AWS Organizations to manage multiple accounts. The finance team needs to perform a detailed cost analysis by joining AWS usage data with their internal accounting system. They require hourly-level billing data that includes resource IDs, operation types, and cost allocation tags. The data must be available in a CSV file that can be imported into their financial software. Which AWS tool or service should the finance team use to meet this requirement?

A.AWS Cost Explorer

B.AWS Budgets

C.AWS Cost and Usage Report

D.AWS Trusted Advisor

AnswerC

AWS Cost and Usage Report (CUR) delivers the most comprehensive billing data, including hourly usage, resource IDs, operation types, and tags. It can be configured to deliver CSV files to an S3 bucket, enabling integration with external financial systems.

Why this answer

The AWS Cost and Usage Report (CUR) is the correct choice because it provides the most granular billing data available, including hourly-level usage, resource IDs, operation types, and cost allocation tags. The report can be delivered to an Amazon S3 bucket in CSV format, making it directly importable into the finance team's financial software for detailed cost analysis.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer's ability to filter by resource IDs and tags with the ability to export raw hourly-level data, but Cost Explorer only provides aggregated views and cannot deliver the granular CSV file required for external system import.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer provides visual dashboards and high-level cost trends, but it does not export hourly-level billing data with resource IDs and operation types in a CSV file for external system integration. Option B is wrong because AWS Budgets is used to set spending limits and send alerts, not to generate detailed usage reports with hourly granularity and cost allocation tags. Option D is wrong because AWS Trusted Advisor is a service that inspects your AWS environment for best practices in cost optimization, security, and performance, but it does not produce billing data or CSV exports for cost analysis.

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166

MCQeasy

A startup company is using the AWS Free Tier to run a small web application. They want to ensure they receive a notification if their usage is about to exceed the Free Tier limits for any service, to avoid unexpected charges. Which AWS service or feature should they use to set up this alert?

A.AWS Budgets

B.AWS Cost Explorer

C.AWS Trusted Advisor

D.AWS Billing Conductor

AnswerA

Correct. AWS Budgets can monitor Free Tier usage and send alerts when usage exceeds or is forecasted to exceed Free Tier limits.

Why this answer

AWS Budgets allows you to set custom cost and usage budgets, and you can configure alerts to notify you when your actual or forecasted usage exceeds a defined threshold. For a startup on the Free Tier, you can create a budget with a zero-spend limit or a specific usage amount, and receive email notifications when you are about to exceed the Free Tier limits, helping you avoid unexpected charges.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer (a retrospective analysis tool) with AWS Budgets (a proactive alerting tool), or mistakenly think AWS Trusted Advisor can send custom usage alerts when it only provides general cost optimization checks without configurable thresholds.

How to eliminate wrong answers

Option B (AWS Cost Explorer) is wrong because it is a visualization and analysis tool for exploring historical cost and usage data, not a proactive alerting mechanism for setting threshold-based notifications. Option C (AWS Trusted Advisor) is wrong because it provides best-practice recommendations across cost optimization, performance, security, and fault tolerance, but it does not allow you to set custom usage alerts for Free Tier limits. Option D (AWS Billing Conductor) is wrong because it is a billing customization tool for grouping and adjusting billing data for internal chargebacks or showbacks, not for setting usage alerts or notifications.

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167

MCQmedium

A company wants to receive a notification whenever a new AWS root account sign-in occurs. Which combination of services achieves this?

A.AWS Config + AWS Lambda

B.CloudTrail + EventBridge + SNS notification

C.AWS Budgets + SES email

D.Amazon GuardDuty finding + S3 export

AnswerB

CloudTrail captures the root sign-in event; EventBridge matches the event pattern and triggers an SNS notification — providing real-time alerting on root account usage.

Why this answer

AWS CloudTrail logs all root account sign-in events as `ConsoleLogin` events in the management events trail. Amazon EventBridge can be configured with a rule that matches this specific event pattern (e.g., `detail.userIdentity.type` = `Root` and `detail.eventName` = `ConsoleLogin`). The rule then triggers an Amazon SNS topic to send a notification (email, SMS, etc.) to the designated recipients.

This combination provides a real-time, event-driven notification for root account activity.

Exam trap

The trap here is that candidates often confuse AWS Config (which audits resource configurations) with CloudTrail (which records API activity), leading them to pick Option A, or they mistakenly think AWS Budgets can monitor security events, when it is strictly for cost and usage alerts.

How to eliminate wrong answers

Option A is wrong because AWS Config is a service for evaluating resource configurations against rules (e.g., checking if an S3 bucket is public), not for capturing or reacting to API call events like root sign-ins; AWS Lambda could process events but Config does not generate the required sign-in event. Option C is wrong because AWS Budgets monitors cost and usage against budget thresholds, not security events like root account sign-ins; SES email is for sending transactional or marketing emails, not for event-driven notifications triggered by CloudTrail events. Option D is wrong because Amazon GuardDuty generates security findings (e.g., unusual API calls, compromised credentials) but does not specifically detect or report root account sign-ins as a native finding; S3 export is a storage action, not a notification mechanism.

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168

MCQmedium

A company is migrating a critical database to Amazon RDS. The database must run continuously for the next 3 years to support the company's operations. The finance team wants to minimize compute costs for this database. However, they have a limited budget and cannot make large upfront payments. They want to commit to a 3-year term to receive the highest possible discount without paying anything upfront. Which pricing option should the finance team select for the DB instance?

A.On-Demand DB instances

B.1-Year All Upfront Reserved DB instances

C.3-Year Partial Upfront Reserved DB instances

D.3-Year No Upfront Reserved DB instances

AnswerD

3-Year No Upfront Reserved Instances provide the highest discount for a 3-year commitment while requiring zero upfront payment. This option minimizes compute costs without violating the budget constraint of no large upfront payment.

Why this answer

The finance team wants to commit to a 3-year term to receive the highest possible discount without paying anything upfront. AWS Reserved Instances offer three payment options: All Upfront, Partial Upfront, and No Upfront. The No Upfront option provides a significant discount over On-Demand pricing (typically around 40-60% for a 3-year term) while requiring no upfront payment, making it the most cost-effective choice given the budget constraint.

Option D (3-Year No Upfront Reserved DB instances) satisfies both the requirement for a 3-year commitment and the inability to make large upfront payments.

Exam trap

The trap here is that candidates often assume 'No Upfront' means no commitment or no discount, but in reality, it offers a substantial discount with a monthly payment obligation, making it the best choice for minimizing costs without upfront capital.

How to eliminate wrong answers

Option A is wrong because On-Demand DB instances have no upfront cost but also provide no discount, resulting in the highest compute costs over 3 years, which fails to minimize costs. Option B is wrong because 1-Year All Upfront Reserved DB instances require a large upfront payment, which violates the 'cannot make large upfront payments' constraint, and the 1-year term does not match the required 3-year commitment. Option C is wrong because 3-Year Partial Upfront Reserved DB instances still require an upfront payment (though smaller than All Upfront), which the finance team cannot afford, and while it offers a discount, it does not provide the highest possible discount without upfront payment.

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169

MCQeasy

Which statement about AWS data transfer pricing is correct?

A.All data transfer into and out of AWS is free

B.Data transfer into AWS from the internet is free; outbound data transfer to the internet is charged

C.Data transfer between EC2 instances in different Availability Zones is free

D.Data transfer between AWS Regions is free because it stays within AWS infrastructure

AnswerB

AWS charges for data leaving AWS to the internet (egress). Inbound data transfer from the internet to AWS is free. Cross-AZ and cross-Region transfers also incur charges.

Why this answer

Option B is correct because AWS does not charge for data transfer into AWS from the internet, but it does charge for outbound data transfer from AWS to the internet. This pricing model is fundamental to AWS's cost structure, encouraging data ingestion while charging for egress. For example, data uploaded to Amazon S3 is free, but downloading that data to the internet incurs per-GB charges.

Exam trap

The trap here is that candidates often assume all data transfer within AWS is free, but AWS charges for inter-AZ and inter-region traffic, and only inbound data from the internet is free.

How to eliminate wrong answers

Option A is wrong because while data transfer into AWS is free, outbound data transfer to the internet is charged, so not all data transfer is free. Option C is wrong because data transfer between EC2 instances in different Availability Zones incurs standard inter-AZ data transfer charges (typically $0.01 per GB in each direction), not free. Option D is wrong because data transfer between AWS Regions is charged at standard inter-region data transfer rates, even though it stays within the AWS global infrastructure.

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170

MCQmedium

A company is planning to migrate its on-premises data center to AWS. The finance team needs to compare the current on-premises infrastructure costs (including servers, storage, networking, and personnel) against the projected costs of running identical workloads on AWS over a three-year period. The team wants to input detailed specifications of their existing hardware and get a comprehensive report that highlights potential savings and provides a total cost of ownership (TCO) comparison. Which AWS tool should the finance team use?

A.AWS Pricing Calculator

B.AWS Cost Explorer

C.AWS Total Cost of Ownership (TCO) Calculator

D.AWS Simple Monthly Calculator

AnswerC

The AWS TCO Calculator is specifically designed to help organizations compare the costs of running their current on-premises workloads against AWS. It accepts detailed on-premises specifications and produces a comparative TCO report, including potential savings over multiple years.

Why this answer

The AWS Total Cost of Ownership (TCO) Calculator is specifically designed to compare the costs of on-premises infrastructure with AWS, allowing users to input detailed hardware specifications (servers, storage, networking) and generate a comprehensive report that highlights potential savings over a chosen period (e.g., three years). This tool directly addresses the finance team's need for a TCO comparison, including personnel costs, which is not a feature of other AWS calculators.

Exam trap

The trap here is that candidates often confuse the AWS Pricing Calculator (for estimating future AWS costs) with the TCO Calculator (for comparing on-premises vs. AWS costs), leading them to select option A instead of the correct C.

How to eliminate wrong answers

Option A is wrong because the AWS Pricing Calculator is used to estimate the cost of AWS services based on usage assumptions, but it does not accept on-premises hardware specifications or provide a direct comparison with existing infrastructure costs. Option B is wrong because AWS Cost Explorer analyzes historical AWS spending and forecasts future costs, but it cannot compare on-premises costs or accept hardware input. Option D is wrong because the AWS Simple Monthly Calculator (now deprecated) only estimated monthly AWS service costs without supporting on-premises input or TCO analysis.

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171

MCQmedium

A company has been using AWS for six months and wants to predict their expected spending for the next quarter. They have historical cost data and need to use an AWS tool that can analyze past usage patterns and generate a monthly cost forecast. Which AWS tool should they use?

A.AWS Cost Explorer

B.AWS Budgets

C.AWS Trusted Advisor

D.AWS Cost and Usage Report

AnswerA

AWS Cost Explorer includes a forecasting feature that automatically generates monthly cost predictions based on historical usage, making it the correct tool for this requirement.

Why this answer

AWS Cost Explorer provides a pre-built dashboard with historical cost data and the ability to generate forecasts for future spending based on past usage patterns. It uses machine learning models to analyze your historical usage and produce a monthly cost forecast, making it the correct tool for predicting expected spending for the next quarter.

Exam trap

The trap here is that candidates often confuse AWS Budgets (which only alerts on thresholds) with Cost Explorer (which actually analyzes trends and generates forecasts), leading them to select Budgets because they think 'budgeting' implies future planning.

How to eliminate wrong answers

Option B (AWS Budgets) is wrong because it is designed to set spending limits and send alerts when costs exceed thresholds, not to analyze historical data or generate forecasts. Option C (AWS Trusted Advisor) is wrong because it inspects your AWS environment for best practices in cost optimization, security, and performance, but it does not provide cost forecasting capabilities. Option D (AWS Cost and Usage Report) is wrong because it delivers raw, granular cost and usage data in a CSV or Parquet format for custom analysis, but it does not include built-in forecasting functionality.

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172

MCQhard

A company is using Amazon EC2 and wants to understand the difference between Compute Savings Plans and EC2 Instance Savings Plans. Which statement is accurate?

A.Compute Savings Plans provide higher discounts than EC2 Instance Savings Plans

B.EC2 Instance Savings Plans are more flexible and apply across all instance families

C.Compute Savings Plans apply to any EC2 instance, Fargate, and Lambda usage, while EC2 Instance Savings Plans apply to a specific instance family and region

D.Both Savings Plans types require specifying the exact instance size at purchase

AnswerC

Compute Savings Plans offer maximum flexibility (any family, any region, includes Fargate and Lambda) at a slightly lower discount. EC2 Instance Plans offer higher discounts for committing to a specific family and region.

Why this answer

Option C is correct because Compute Savings Plans offer the broadest flexibility, automatically applying to any EC2 instance (regardless of family, size, or region), as well as AWS Fargate and AWS Lambda usage. In contrast, EC2 Instance Savings Plans are restricted to a specific instance family within a chosen region, providing a narrower scope of coverage. This distinction is fundamental to understanding how each plan optimizes costs based on workload flexibility.

Exam trap

The trap here is that candidates often assume Compute Savings Plans always provide higher discounts due to their broader scope, but in reality, the discount is lower because flexibility is traded for a reduced rate, while EC2 Instance Savings Plans offer higher discounts for committing to a more specific usage pattern.

How to eliminate wrong answers

Option A is wrong because Compute Savings Plans generally provide lower discounts (up to 66%) compared to EC2 Instance Savings Plans (up to 72%), as the trade-off for greater flexibility is a reduced discount rate. Option B is wrong because EC2 Instance Savings Plans are less flexible—they apply only to a specific instance family (e.g., m5) within a single region, not across all instance families. Option D is wrong because neither Savings Plans type requires specifying the exact instance size at purchase; both plans cover all sizes within the chosen instance family (for EC2 Instance Savings Plans) or across all instances (for Compute Savings Plans), with the discount applied at the instance family or compute level.

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173

MCQmedium

A company is evaluating a migration of its on-premises data center to AWS. The CIO wants a detailed report that compares the total cost of ownership (TCO) of the current on-premises infrastructure versus running the equivalent workloads on AWS. The report should include costs for hardware, software, labor, power, cooling, and facilities. Which AWS tool should the company use to generate this comparison?

A.AWS Pricing Calculator

B.AWS Total Cost of Ownership (TCO) Calculator

C.AWS Cost Explorer

D.AWS Trusted Advisor

AnswerB

The AWS TCO Calculator is the correct tool for comparing the total cost of ownership between on-premises infrastructure and AWS. It takes on-premises configuration details and produces a report including hardware, software, labor, power, cooling, and facilities costs alongside projected AWS costs.

Why this answer

The AWS Total Cost of Ownership (TCO) Calculator is specifically designed to compare the costs of on-premises infrastructure with AWS, including hardware, software, labor, power, cooling, and facilities. It generates a detailed report that breaks down these cost categories, making it the correct tool for the CIO's requirement.

Exam trap

The trap here is that candidates confuse the AWS Pricing Calculator (which only estimates AWS service costs) with the TCO Calculator (which includes on-premises cost inputs), leading them to choose Option A for a TCO comparison.

How to eliminate wrong answers

Option A is wrong because the AWS Pricing Calculator estimates the cost of running specific AWS services but does not compare on-premises costs or include labor, power, cooling, and facilities. Option C is wrong because AWS Cost Explorer analyzes historical AWS spending and forecasts future costs, but it cannot compare on-premises infrastructure costs. Option D is wrong because AWS Trusted Advisor provides best-practice recommendations for cost optimization, security, and performance, but it does not generate TCO comparisons or include on-premises cost inputs.

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174

MCQmedium

A company runs workloads for multiple teams in a single AWS account and wants to track and report costs per team in their monthly AWS bill. Which feature allows them to categorise and report AWS costs by team?

A.AWS Budgets

B.AWS Cost Allocation Tags

C.AWS Organisations consolidated billing

D.AWS Cost and Usage Report

AnswerB

Cost Allocation Tags let teams tag resources with metadata (e.g., Team=Engineering). After activating these tags in the billing console, AWS includes them in cost reports so spending can be broken down and attributed to each team.

Why this answer

AWS Cost Allocation Tags allow you to tag AWS resources with team-specific metadata (e.g., 'Team: Engineering') and then activate those tags in the Billing and Cost Management console. Once activated, AWS generates cost reports that group and summarize charges by those tags, enabling per-team cost tracking in the monthly bill. This is the correct feature because it directly categorizes costs at the resource level and reports them in billing data.

Exam trap

The trap here is that candidates often confuse AWS Budgets (which only alerts on cost thresholds) with cost categorization features, or assume the Cost and Usage Report inherently groups costs by team without needing tags.

How to eliminate wrong answers

Option A is wrong because AWS Budgets is a tool for setting cost thresholds and sending alerts when spending exceeds a defined amount; it does not categorize or report costs by team. Option C is wrong because AWS Organizations consolidated billing aggregates costs across multiple accounts into a single bill but does not inherently tag or categorize costs by team within a single account. Option D is wrong because the AWS Cost and Usage Report (CUR) provides detailed raw cost and usage data in CSV/Parquet format, but it does not automatically categorize costs by team unless you have already applied and activated cost allocation tags; the CUR itself is a reporting mechanism, not a tagging or categorization feature.

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175

MCQmedium

A small company operates a single AWS account and currently uses the Basic Support plan. The company's administrator needs to be able to contact AWS Support by phone for urgent billing and account issues. Additionally, the administrator wants to request service limit increases through the AWS Support console. The company wants to minimize costs while meeting these requirements. Which AWS Support plan should the company choose?

A.AWS Basic Support

B.AWS Developer Support

C.AWS Business Support

D.AWS Enterprise Support

AnswerC

AWS Business Support provides 24/7 phone support for billing and account issues, as well as the ability to open support cases for service limit increases. It is the most cost-effective plan that fully meets the company's requirements.

Why this answer

AWS Business Support is the correct choice because it is the lowest-tier plan that provides phone support for urgent billing and account issues, along with the ability to request service limit increases through the AWS Support console. Basic Support does not offer phone support, and Developer Support only provides email-based support for technical issues, not phone support for billing and account matters. Enterprise Support, while offering these features, is significantly more expensive and not necessary for a small company seeking to minimize costs.

Exam trap

The trap here is that candidates often assume Basic Support includes phone support for billing issues because it is the default plan, or they mistakenly think Developer Support provides phone access, when in fact phone support is only available starting from the Business Support plan.

How to eliminate wrong answers

Option A is wrong because AWS Basic Support does not include phone support or the ability to request service limit increases through the AWS Support console; it only provides access to documentation, whitepapers, and basic account support via email. Option B is wrong because AWS Developer Support offers only email-based support for technical issues and does not include phone support for billing and account issues, nor does it allow service limit increase requests through the console. Option D is wrong because AWS Enterprise Support, while providing phone support and service limit increase capabilities, is designed for large-scale workloads with a dedicated Technical Account Manager (TAM) and a higher cost, which exceeds the company's requirement to minimize costs.

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176

MCQeasy

Which statement correctly describes how Amazon S3 pricing works?

A.S3 charges a flat monthly fee regardless of storage used

B.S3 charges per GB stored, per request, and for outbound data transfer

C.S3 storage is free; only data transfer is charged

D.S3 charges by the number of files stored, not the size

AnswerB

S3 bills for storage consumed (per GB/month, tiered), requests made (per thousand), and data transferred out of S3 to the internet or other Regions.

Why this answer

Amazon S3 pricing is based on a pay-as-you-go model where you are charged for the amount of storage you use (per GB per month), the number and type of requests (e.g., PUT, GET, LIST), and data transfer out to the internet. This granular billing reflects actual usage, making option B correct.

Exam trap

The trap here is that candidates often assume S3 pricing is purely based on storage volume, forgetting that request costs and data transfer out are significant components, especially for high-traffic or frequently accessed data.

How to eliminate wrong answers

Option A is wrong because S3 does not charge a flat monthly fee; it uses a consumption-based model where costs vary with storage volume, requests, and data transfer. Option C is wrong because S3 storage is not free; you pay for the data stored, and while data transfer out is charged, inbound transfer is typically free, but storage itself incurs costs. Option D is wrong because S3 charges based on the total size of data stored (per GB), not the number of files; the number of objects only affects request costs, not storage costs.

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177

MCQmedium

A company manages multiple AWS accounts through AWS Organizations. The finance team wants to receive a consolidated view of costs across all accounts and track costs against a monthly budget of $50,000 for the entire organization. They want to be alerted when actual costs reach 90% of the budget and again when they exceed 100%. Which combination of AWS services should the finance team use?

A.AWS Cost Explorer to create a budget alert and AWS Budgets to view consolidated costs.

B.AWS Budgets to create a budget and configure alerts, and AWS Cost Explorer to view consolidated cost data.

C.AWS Trusted Advisor to set a cost optimization budget and AWS Cost Explorer to send alerts.

D.AWS Cost and Usage Report to generate a daily report and Amazon Simple Email Service (Amazon SES) to send email alerts.

AnswerB

Correct. AWS Budgets allows you to set a monthly budget and configure alerts at specified threshold percentages (e.g., 90% and 100%). AWS Cost Explorer provides a consolidated view of costs across multiple accounts in an organization, enabling the finance team to track spending against the budget.

Why this answer

AWS Budgets is the correct service for setting a monthly budget of $50,000 and configuring alerts at 90% and 100% thresholds. AWS Cost Explorer provides the consolidated view of costs across all accounts in AWS Organizations. Together, they meet both requirements: Budgets handles the alerting, and Cost Explorer provides the consolidated cost visualization.

Exam trap

The trap here is confusing the roles of AWS Cost Explorer (analysis/visualization) and AWS Budgets (budget creation/alerting), leading candidates to reverse their responsibilities or choose Trusted Advisor, which is for optimization recommendations, not budget management.

How to eliminate wrong answers

Option A is wrong because it reverses the roles: AWS Cost Explorer is a visualization and analysis tool, not a budget alert creation tool; AWS Budgets is used to create budgets and alerts, not to view consolidated costs. Option C is wrong because AWS Trusted Advisor provides cost optimization recommendations and checks, not budget creation or alerting capabilities. Option D is wrong because while AWS Cost and Usage Report (CUR) can generate detailed cost data, it does not natively support budget alerts; Amazon SES is an email service but requires custom integration, and the combination lacks the budget threshold alerting that AWS Budgets provides natively.

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178

MCQeasy

A new AWS customer wants to explore AWS services for the first time. They launch a t2.micro EC2 instance and use up to 5 GB of Amazon S3 storage. They want to understand if these will incur charges. Which AWS programme provides limited free usage of many services for new accounts during the first 12 months?

A.AWS Enterprise Support

B.AWS Free Tier

C.AWS Credits Programme

D.Reserved Instance discount

AnswerB

The AWS Free Tier provides 12 months of limited free service usage for new accounts. It includes 750 hours/month of t2.micro or t3.micro EC2 and 5 GB of S3 Standard storage, among many other services.

Why this answer

The AWS Free Tier is designed specifically for new AWS customers, offering limited free usage of select services—including t2.micro EC2 instances and 5 GB of Amazon S3 storage—for the first 12 months after account creation. This program allows users to explore AWS services without incurring charges, as long as they stay within the defined usage limits. The scenario matches the Free Tier's eligibility criteria exactly, making option B correct.

Exam trap

The trap here is that candidates may confuse the AWS Free Tier with promotional credits or support plans, mistakenly thinking that any new account automatically receives free usage through credits or that support plans include free service usage, rather than recognizing the Free Tier as the specific program with defined limits and duration.

How to eliminate wrong answers

Option A is wrong because AWS Enterprise Support is a paid support plan that provides technical assistance and architectural guidance, not free usage of services; it does not include any free tier benefits. Option C is wrong because the AWS Credits Programme provides promotional credits that can be applied to service costs, but it is not a standard program for all new accounts and does not guarantee free usage for 12 months. Option D is wrong because Reserved Instance discounts apply to customers who commit to a specific instance configuration for a 1- or 3-year term, reducing costs but not providing free usage; they are not a program for new accounts to explore services without charges.

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179

MCQmedium

A company runs a production web application on Amazon EC2 and Amazon RDS instances. The company's IT team needs technical support from AWS engineers with a guaranteed response time of less than one hour for issues where production systems are impaired. Additionally, the team wants to receive cost optimization recommendations through AWS Trusted Advisor. Which AWS Support plan should the company choose?

A.AWS Basic Support

B.AWS Developer Support

C.AWS Business Support

D.AWS Enterprise Support

AnswerC

AWS Business Support offers a response time of less than one hour for production system impaired cases and includes full access to AWS Trusted Advisor best practice checks, including cost optimization recommendations. This meets all stated requirements.

Why this answer

AWS Business Support provides a response time of less than one hour for production system impaired cases (severity level 'high') and includes full access to AWS Trusted Advisor, which offers cost optimization recommendations. This plan meets both the guaranteed response time and the cost optimization requirements specified in the question.

Exam trap

The trap here is that candidates may confuse the response time tiers between Developer (12 hours for impaired systems) and Business (1 hour for impaired systems), or assume that Enterprise Support is required for any production workload, when Business Support fully satisfies the given requirements at a lower cost.

How to eliminate wrong answers

Option A is wrong because AWS Basic Support does not include any technical support from AWS engineers or guaranteed response times, and it only provides limited Trusted Advisor checks (6 core checks) without cost optimization recommendations. Option B is wrong because AWS Developer Support has a maximum response time of 12 hours for impaired production systems (severity 'high'), which does not meet the sub-one-hour requirement, and it also lacks full Trusted Advisor cost optimization checks. Option D is wrong because AWS Enterprise Support offers a 15-minute response time for business-critical systems and includes a Technical Account Manager (TAM), but it is overkill for the stated requirements and incurs significantly higher costs than necessary; the question asks for the plan that should be chosen, and Business Support is the most cost-effective plan that meets all stated needs.

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180

MCQmedium

A company runs a production web application that uses Amazon EC2 instances, AWS Lambda functions, and Amazon ECS tasks. The application runs 24/7 and the company expects steady usage for the next three years. The company wants to commit to a flexible pricing model that provides significant discounts compared to On-Demand and automatically applies to usage across all three compute services. The company also wants the flexibility to change instance families, regions, or even migrate between compute services (e.g., from EC2 to Lambda) without needing to modify the commitment. Which AWS pricing model should the company choose?

A.Amazon EC2 Reserved Instances (Standard)

B.Amazon EC2 Reserved Instances (Convertible)

C.Compute Savings Plans

D.AWS Savings Plans (EC2 Instance Savings Plans)

AnswerC

Compute Savings Plans automatically apply to EC2, AWS Lambda, and AWS Fargate usage. They offer significant discounts and allow flexibility across instance families, sizes, regions, and compute services without any modification to the commitment.

Why this answer

Compute Savings Plans offer the required flexibility: they automatically apply to EC2 instances, Lambda functions, and ECS Fargate usage, provide significant discounts (up to 66%) compared to On-Demand, and allow changes to instance families, regions, or compute services without modifying the commitment. This model is ideal for steady 24/7 workloads over a three-year term, as it combines broad compute coverage with automatic discount application.

Exam trap

The trap here is that candidates often confuse Compute Savings Plans with EC2 Instance Savings Plans, mistakenly thinking the latter also covers Lambda and ECS, but EC2 Instance Savings Plans are restricted to a specific instance family and region, and only apply to EC2 usage.

How to eliminate wrong answers

Option A is wrong because Amazon EC2 Reserved Instances (Standard) lock you into a specific instance family and region, and they do not cover Lambda or ECS usage, failing the requirement for cross-service flexibility. Option B is wrong because Amazon EC2 Reserved Instances (Convertible) allow changes to instance families but still require a specific instance type and region, and they do not apply to Lambda or ECS, missing the multi-service coverage. Option D is wrong because AWS Savings Plans (EC2 Instance Savings Plans) only apply to EC2 instance usage within a specific instance family in a given region, and they do not cover Lambda or ECS, thus failing the requirement for automatic application across all three compute services.

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181

MCQmedium

A company operates 10 AWS accounts under AWS Organizations. Each account runs multiple projects, and the company tags all resources with a 'Project' tag (e.g., 'Project-A', 'Project-B'). The finance team wants to view the consolidated monthly bill broken down by the value of the 'Project' tag across all accounts. Which AWS feature should the team use to achieve this?

A.Create an AWS Budget for each 'Project' tag value and set cost alerts to track spending per project.

B.Activate the 'Project' tag as a cost allocation tag in the AWS Organizations payer account's Billing and Cost Management console.

C.Use AWS Trusted Advisor to generate a cost optimization report that shows which projects are over-spending based on the 'Project' tag.

D.Configure AWS Compute Optimizer to analyze costs per project and recommend resource downsizing based on the 'Project' tag.

AnswerB

This is the correct approach. In the Billing and Cost Management console, you can activate user-defined cost allocation tags. Once activated, AWS includes the tag in your cost and usage reports, allowing you to view costs grouped by the 'Project' tag value in AWS Cost Explorer and the Cost and Usage Report.

Why this answer

Option B is correct because cost allocation tags in the AWS Organizations payer account's Billing and Cost Management console allow you to activate user-defined tags (like 'Project') so that AWS can break down the consolidated monthly bill by those tag values across all linked accounts. Once activated, the cost data is available in Cost Explorer and the Cost & Usage Report, enabling the finance team to view spending per project without manual aggregation.

Exam trap

The trap here is that candidates confuse AWS Budgets (which only set alerts) with cost allocation tags (which enable actual cost breakdowns by tag), or they mistakenly think Trusted Advisor or Compute Optimizer can generate custom billing reports.

How to eliminate wrong answers

Option A is wrong because AWS Budgets provide cost alerts and notifications based on budget thresholds, but they do not generate a consolidated monthly bill broken down by tag values; they are for proactive monitoring, not retrospective reporting. Option C is wrong because AWS Trusted Advisor offers cost optimization recommendations (e.g., idle resources, reserved instance usage) but does not produce a bill breakdown by custom tags like 'Project'. Option D is wrong because AWS Compute Optimizer analyzes resource utilization to recommend right-sizing for EC2, Auto Scaling, and Lambda, but it does not provide cost breakdowns by tag or generate billing reports.

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182

MCQmedium

A company is considering Reserved Instances to reduce costs. Which type of Reserved Instance provides the flexibility to change the instance family, OS, and tenancy, and can be used across any Region?

A.Standard Reserved Instances

B.Convertible Reserved Instances

C.Scheduled Reserved Instances

D.Compute Savings Plans

AnswerB

Convertible RIs allow exchanging for different instance families, OS types, and tenancies during the term, providing flexibility at a slightly lower discount than Standard RIs.

Why this answer

Convertible Reserved Instances (RIs) allow you to change the instance family, OS, and tenancy during the term, and they can be exchanged across AWS Regions. This flexibility makes them ideal for evolving workloads, though they offer a lower discount (typically 10-20% less) compared to Standard RIs. The question specifically asks for the ability to change instance family, OS, tenancy, and use across any Region, which is a direct match to Convertible RIs.

Exam trap

The trap here is that candidates often confuse Compute Savings Plans (which offer flexibility in instance family, OS, and tenancy but are Region-locked) with Convertible RIs (which additionally allow Region changes), leading them to select Compute Savings Plans when the question explicitly requires cross-Region flexibility.

How to eliminate wrong answers

Option A is wrong because Standard Reserved Instances do not allow changes to instance family, OS, or tenancy; they are locked to the specific attributes purchased and cannot be exchanged across Regions. Option C is wrong because Scheduled Reserved Instances are designed for predictable recurring schedules (e.g., daily or weekly) and do not provide flexibility to change instance family, OS, tenancy, or Region; they are a legacy offering that is not commonly used. Option D is wrong because Compute Savings Plans provide flexibility across instance family, OS, and tenancy, but they are Region-specific and cannot be used across any Region; they apply to compute usage within a single Region.

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183

MCQmedium

A company recently signed up for AWS and is using the 12-month Free Tier offer. In the first month, they launched a single Amazon EC2 t2.micro instance and used it for exactly 750 hours. In the second month, they launched a second t2.micro instance and ran both instances simultaneously for 500 hours each (a total of 1,000 instance-hours for the month). Which statement accurately describes the charges for the second month under the Free Tier?

A.The entire 1,000 hours are free because each instance is eligible for 750 free hours per month.

B.The first 500 hours of each instance are free, and the remaining 500 hours are charged.

C.The first 750 hours of combined usage across both instances are free, and the remaining 250 hours are charged.

D.The entire 1,000 hours are charged because the Free Tier only applies to the first month.

AnswerC

This is correct. The Free Tier provides 750 free hours per month aggregated across all t2.micro instances. 750 of the 1,000 hours are free; the additional 250 hours incur charges.

Why this answer

Option C is correct because the AWS Free Tier for EC2 provides 750 hours of t2.micro (or t3.micro) instance usage per month across all regions, aggregated across all instances. In the second month, the combined usage of both instances is 1,000 hours, so the first 750 hours are free, and the remaining 250 hours are charged at standard On-Demand rates. The Free Tier applies each month for the first 12 months, not just the first month, and the 750-hour limit is a pool shared by all eligible instances.

Exam trap

The trap here is that candidates mistakenly believe the 750 free hours apply per instance rather than as a shared monthly pool, or that the Free Tier only applies to the first month of account creation.

How to eliminate wrong answers

Option A is wrong because it incorrectly assumes each instance receives its own 750 free hours per month; the Free Tier provides a total of 750 hours per month across all t2.micro instances, not per instance. Option B is wrong because it suggests a per-instance pro-rata allocation (first 500 hours free per instance), which is not how the aggregated 750-hour pool works; the free hours are consumed from a single monthly bucket. Option D is wrong because the Free Tier offer applies for the full 12 months, not only the first month; the second month is still within the 12-month window.

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184

MCQmedium

A company has multiple AWS accounts that are consolidated under AWS Organizations. The company uses cost allocation tags to track costs by project. The finance team now wants an interactive tool that can visualize the company's AWS spending over the past 6 months, break down costs by the 'Project' tag, and allow filtering by service, region, and linked account. The team also wants to forecast future spending based on historical trends. Which AWS service or feature should the finance team use?

A.AWS Budgets

B.AWS Cost Explorer

C.AWS Cost and Usage Report (CUR)

D.AWS Trusted Advisor

AnswerB

AWS Cost Explorer is the correct service. It offers an interactive graph-based interface to explore historical cost and usage data, filter by tags (e.g., Project) and other dimensions, and generate forecasts up to 12 months ahead based on past usage.

Why this answer

AWS Cost Explorer is the correct choice because it provides an interactive, pre-built dashboard that visualizes cost and usage data over customizable time periods (up to 12 months), supports filtering by service, region, and linked account, and includes a forecasting feature that uses machine learning to predict future spending based on historical trends. It directly meets the finance team's requirement for an interactive tool with filtering and forecasting capabilities.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer's interactive visualization and forecasting capabilities with AWS Budgets' alerting functionality, or mistakenly think the raw data from AWS Cost and Usage Report (CUR) is an interactive tool, when in fact CUR requires additional services to build dashboards.

How to eliminate wrong answers

Option A is wrong because AWS Budgets is a cost monitoring and alerting service that notifies you when spending exceeds or is forecasted to exceed a threshold, but it does not provide an interactive visualization dashboard with filtering by service, region, and linked account, nor does it offer a dedicated forecasting tool for historical trend analysis. Option C is wrong because AWS Cost and Usage Report (CUR) delivers raw, detailed CSV or Parquet files of your cost and usage data, which require additional tools (e.g., Amazon Athena, QuickSight) to visualize and filter interactively; it is not an interactive visualization tool itself. Option D is wrong because AWS Trusted Advisor is an advisory service that inspects your AWS environment for best practices in cost optimization, security, fault tolerance, and performance, but it does not provide cost visualization, filtering by tags or dimensions, or spending forecasting.

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185

MCQmedium

A company runs a set of steady-state workloads on Amazon EC2 instances and Amazon ECS Fargate tasks. The company expects consistent usage for the next 3 years and wants to reduce compute costs. The company prefers flexibility to move workloads between different instance families and across different AWS compute services (EC2, ECS, and Lambda) without committing to a specific instance type or family. Which AWS pricing model meets these requirements?

A.Compute Savings Plans (3-year, partial upfront)

B.EC2 Instance Savings Plans (3-year, no upfront)

C.Standard Reserved Instances (1-year, all upfront)

D.Convertible Reserved Instances (3-year, all upfront)

AnswerA

Compute Savings Plans provide discounts on compute usage across EC2, Fargate, and Lambda, with flexibility across instance families and regions. This matches the company's need for cross-service flexibility and a 3-year commitment.

Why this answer

Compute Savings Plans (3-year, partial upfront) is correct because it provides the highest flexibility, allowing workloads to move between EC2 instances, ECS Fargate, and Lambda without committing to a specific instance family or compute service. The 3-year term with partial upfront offers the maximum discount (up to 66%) for steady-state workloads while still enabling the required flexibility across compute services. This pricing model automatically applies the lowest price across any region and compute option, making it ideal for the described steady-state but flexible workload.

Exam trap

The trap here is that candidates often confuse EC2 Instance Savings Plans (which lock to a family) with Compute Savings Plans (which offer cross-service flexibility), or they assume Convertible RIs provide the same flexibility as Compute Savings Plans, but Convertible RIs cannot cover Fargate or Lambda and require manual exchanges.

How to eliminate wrong answers

Option B (EC2 Instance Savings Plans) is wrong because it locks you into a specific instance family within a region (e.g., m5), which prevents moving workloads between different instance families or to ECS Fargate/Lambda without losing the discount. Option C (Standard Reserved Instances) is wrong because it commits to a specific instance type and family (e.g., m5.large) in a specific Availability Zone, offering no flexibility to change instance families or move to other compute services. Option D (Convertible Reserved Instances) is wrong because although it allows changing instance families, it requires a manual exchange process and still cannot be applied to ECS Fargate or Lambda, and the 3-year all upfront option has higher upfront cost with less flexibility compared to Compute Savings Plans.

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186

MCQmedium

A company's finance team wants to forecast their AWS spending for the next 12 months to set accurate budget targets. Which AWS service provides cost forecasting based on historical usage patterns?

A.AWS Pricing Calculator

B.AWS Cost Explorer

C.AWS Budgets

D.Amazon QuickSight

AnswerB

Cost Explorer's forecasting feature projects future costs based on historical AWS usage data, providing month-by-month predictions with confidence intervals for budget planning.

Why this answer

AWS Cost Explorer provides cost forecasting based on historical usage patterns, allowing you to project your AWS spending for the next 12 months. It uses machine learning to analyze past consumption and generate future cost estimates, which directly supports the finance team's need for accurate budget targets.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer's forecasting capability with AWS Budgets' alerting feature, assuming Budgets can predict future costs when it only monitors against predefined thresholds.

How to eliminate wrong answers

Option A is wrong because AWS Pricing Calculator is a tool for estimating costs for new or planned architectures, not for forecasting based on historical usage. Option C is wrong because AWS Budgets is used to set spending limits and send alerts, but it does not generate forecasts from historical data. Option D is wrong because Amazon QuickSight is a business intelligence service for visualizing data, not a dedicated cost forecasting tool for AWS spending.

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187

MCQmedium

A company runs a fleet of production Amazon EC2 instances that operate 24/7 throughout the year. The CFO wants to reduce compute costs by committing to a consistent usage level. The finance team needs a tool that analyzes the company's historical EC2 usage and provides recommendations for the most cost-effective purchase options, including recommendations for both Reserved Instances and Savings Plans, with support for instance size flexibility. Which AWS tool should the finance team use?

A.AWS Budgets

B.AWS Cost Explorer

C.AWS Trusted Advisor

D.AWS Pricing Calculator

AnswerB

Correct. AWS Cost Explorer has a built-in tool that analyzes your historical EC2 (and other service) usage and provides recommendations for purchasing Reserved Instances and Savings Plans, including options with size flexibility to maximize savings.

Why this answer

AWS Cost Explorer provides a comprehensive analysis of historical EC2 usage and generates tailored recommendations for both Reserved Instances (RI) and Savings Plans, including support for instance size flexibility. This directly meets the CFO's requirement to commit to a consistent usage level while optimizing costs based on actual usage patterns.

Exam trap

The trap here is that candidates confuse AWS Cost Explorer (an analysis and recommendation tool) with AWS Budgets (a cost tracking and alerting tool), or assume Trusted Advisor covers purchase recommendations when it only provides generic optimization checks.

How to eliminate wrong answers

Option A is wrong because AWS Budgets is a cost monitoring and alerting tool, not an analysis tool that provides purchase recommendations or historical usage analysis. Option C is wrong because AWS Trusted Advisor offers general best-practice checks (e.g., idle instances, security groups) but does not provide detailed RI or Savings Plan recommendations with instance size flexibility. Option D is wrong because AWS Pricing Calculator is a manual estimation tool for future costs, not an automated analyzer of historical EC2 usage or a recommender for purchase options.

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188

MCQmedium

A company runs a production workload on Amazon EC2 instances that must be available continuously. The workload has predictable usage patterns. The company wants to minimize compute costs while maintaining high availability. Which pricing model should they choose?

A.On-Demand Instances

B.Reserved Instances

C.Spot Instances

D.Dedicated Hosts

AnswerB

Reserved Instances offer a substantial discount over On-Demand for a commitment of one or three years. They are ideal for steady-state, continuously running workloads because they lower costs without sacrificing availability.

Why this answer

Reserved Instances (RIs) are the correct choice because the workload requires continuous availability and has predictable usage patterns. By committing to a 1- or 3-year term, the company can receive a significant discount (up to 72%) compared to On-Demand pricing, while still ensuring the EC2 instances are always running and highly available. This model directly aligns with the need to minimize compute costs for a steady-state, always-on production workload.

Exam trap

The trap here is that candidates often choose On-Demand Instances because they assume 'continuous availability' requires the flexibility of no commitment, overlooking that Reserved Instances provide the same availability at a much lower cost for predictable workloads.

How to eliminate wrong answers

Option A is wrong because On-Demand Instances are billed per second with no upfront commitment, which is the most expensive pricing model for continuous workloads and does not minimize costs. Option C is wrong because Spot Instances can be terminated by AWS with a 2-minute warning when capacity is reclaimed, making them unsuitable for a production workload that must be available continuously. Option D is wrong because Dedicated Hosts provide physical server isolation for licensing or compliance requirements, but they are significantly more expensive than Reserved Instances and do not offer cost optimization for predictable, always-on usage.

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189

MCQmedium

A company wants to receive alerts when their AWS spend exceeds a specific threshold. Which AWS service should they use to configure these alerts?

A.AWS Cost Explorer

B.AWS Budgets

C.AWS Cost and Usage Report

D.Amazon CloudWatch Billing alarms

AnswerB

AWS Budgets enables creation of cost, usage, and reservation budgets with automated alerts when thresholds are exceeded.

Why this answer

AWS Budgets allows you to set custom cost and usage budgets and receive alerts when your actual or forecasted spend exceeds a defined threshold. It is the primary service designed for proactive cost monitoring and alerting, supporting both monthly and daily budget tracking with configurable actions such as email notifications or automated responses via AWS Chatbot.

Exam trap

The trap here is that candidates often confuse CloudWatch Billing alarms (which only monitor total estimated charges) with AWS Budgets (which supports per-service, custom threshold, and forecast-based alerts), leading them to select the legacy option D instead of the more capable and recommended service B.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer is a visualization and analytics tool for exploring historical cost data, not a service for setting threshold-based alerts. Option C is wrong because AWS Cost and Usage Report (CUR) provides detailed, granular billing data for analysis in external tools like Amazon Athena or QuickSight, but it does not generate real-time alerts. Option D is wrong because Amazon CloudWatch Billing alarms are a legacy feature that only monitor estimated charges for the total AWS bill and cannot be used for per-service or custom budget thresholds; AWS Budgets is the recommended and more flexible alternative.

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190

MCQeasy

Which AWS service provides detailed billing reports that can be delivered hourly to Amazon S3 for custom analysis with tools like Amazon Athena or Redshift?

A.AWS Cost Explorer

B.AWS Budgets

C.AWS Cost and Usage Report (CUR)

D.Amazon CloudWatch Billing Metrics

AnswerC

CUR provides the most granular billing data available, including resource-level line items, delivered to S3 hourly — the standard foundation for custom billing analytics.

Why this answer

AWS Cost and Usage Report (CUR) is the correct service because it provides the most granular billing data, including hourly usage and cost details, which can be delivered to an Amazon S3 bucket. This allows you to use analytics tools like Amazon Athena or Amazon Redshift to run custom queries and perform in-depth analysis on the raw billing data.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer (which provides visual reports) with the Cost and Usage Report (which provides raw data for custom analysis), or they mistakenly think CloudWatch Billing Metrics offer the same level of detail as CUR.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer provides visual dashboards and pre-built reports for cost analysis, but it does not deliver raw billing data to S3 for custom querying with Athena or Redshift. Option B is wrong because AWS Budgets is used to set spending limits and receive alerts, not to generate detailed billing reports for custom analysis. Option D is wrong because Amazon CloudWatch Billing Metrics only publish basic billing metrics (e.g., estimated charges) to CloudWatch, not the detailed hourly usage data required for custom analysis with Athena or Redshift.

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191

MCQmedium

A company expects a steady baseline usage of AWS compute services (Amazon EC2, AWS Lambda, and AWS Fargate) over the next three years. They want to reduce costs compared to On-Demand pricing while maintaining the flexibility to change instance families, regions, or even switch between compute services (e.g., from EC2 to Lambda) without losing their discount. Which AWS pricing option should the company choose?

A.Reserved Instances (Standard)

B.Reserved Instances (Convertible)

C.Compute Savings Plan

D.EC2 Instance Savings Plan

AnswerC

The Compute Savings Plan offers the highest flexibility among AWS savings options. It applies to all compute services (EC2, Lambda, Fargate), all regions, and all instance families. The discount applies to usage up to the committed amount ($/hour), and any usage beyond the commitment is charged at On-Demand rates. This matches the company's need for both savings and flexibility across compute services.

Why this answer

The Compute Savings Plan offers the highest flexibility, automatically applying discounts to any compute usage across EC2, Lambda, and Fargate, regardless of instance family, region, or compute service. It provides up to 66% savings over On-Demand while allowing the company to change instance types, regions, or switch between compute services without losing the discount. This matches the requirement for steady baseline usage with maximum flexibility.

Exam trap

The trap here is that candidates often confuse Convertible Reserved Instances with Compute Savings Plans, thinking that Convertible RIs offer similar flexibility, but they are limited to EC2 and cannot switch to Lambda or Fargate, nor change regions.

How to eliminate wrong answers

Option A is wrong because Standard Reserved Instances lock the company into a specific instance family and region for the entire term, and they do not apply to AWS Lambda or AWS Fargate, so switching compute services would forfeit the discount. Option B is wrong because Convertible Reserved Instances allow changes to instance families but only within the same EC2 service and region, and they still do not cover Lambda or Fargate, nor do they allow region changes without losing the discount.

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192

MCQmedium

A company runs a variety of workloads on AWS and wants to be notified when their monthly spending behaves unusually compared to past patterns. They want a managed service that uses machine learning to detect cost anomalies and provides root cause analysis. Which AWS service or feature should they use?

A.AWS Budgets

B.AWS Cost Anomaly Detection

C.AWS Cost Explorer

D.AWS Trusted Advisor

AnswerB

AWS Cost Anomaly Detection uses machine learning to analyze historical cost and usage data, detect unusual spending patterns, and provide root cause analysis with actionable alerts.

Why this answer

AWS Cost Anomaly Detection is a managed service that leverages machine learning to continuously monitor your cost and usage patterns, detect anomalies, and provide root cause analysis. It automatically establishes a baseline from historical spending data and alerts you when actual spending deviates from expected patterns, making it the correct choice for this use case.

Exam trap

The trap here is that candidates often confuse AWS Budgets (a simple threshold alerting tool) with AWS Cost Anomaly Detection (an ML-driven anomaly detection service), because both can send cost alerts, but only the latter provides automated root cause analysis and pattern-based detection.

How to eliminate wrong answers

Option A is wrong because AWS Budgets allows you to set custom cost and usage thresholds and receive alerts when you exceed them, but it does not use machine learning to detect anomalies or provide root cause analysis—it is purely threshold-based. Option C is wrong because AWS Cost Explorer provides interactive charts and reports for visualizing and analyzing your cost and usage data, but it does not proactively detect anomalies using ML or offer root cause analysis; it is a manual analysis tool. Option D is wrong because AWS Trusted Advisor inspects your AWS environment and provides best practice recommendations in categories like cost optimization, performance, and security, but it does not monitor spending patterns with ML or detect cost anomalies.

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193

MCQmedium

A company tags all Amazon EC2 instances with a 'Project' tag to track costs. The finance team reviews cost data in AWS Cost Explorer but cannot filter or group by the 'Project' tag. The tags are visible in the EC2 console. What is the most likely reason the tags are not appearing in Cost Explorer?

A.The tags are not applied to the root volumes of the EC2 instances.

B.The tags have not been activated as cost allocation tags in the Billing and Cost Management console.

C.Cost Explorer requires at least 30 days of tag usage data before tags become available.

D.The finance team does not have the iam:ListAccountAliases permission.

AnswerB

Correct. Tags that you apply to resources are not automatically available for cost tracking. You must activate them as cost allocation tags in the Billing and Cost Management console. After activation, tags appear in Cost Explorer and other cost management tools.

Why this answer

B is correct because cost allocation tags must be explicitly activated in the Billing and Cost Management console before they appear in AWS Cost Explorer. Even though the 'Project' tag is applied to EC2 instances and visible in the EC2 console, AWS does not automatically treat resource tags as cost allocation tags; activation is a separate, required step. Without activation, Cost Explorer cannot filter or group by that tag.

Exam trap

The trap here is that candidates assume that because tags are visible in the EC2 console, they are automatically available for cost tracking in Cost Explorer, but AWS requires an explicit activation step in the Billing console to designate them as cost allocation tags.

How to eliminate wrong answers

Option A is wrong because tags applied to EC2 instances are inherited by their root volumes automatically; the root volume does not need separate tagging, and this is not related to Cost Explorer visibility. Option C is wrong because Cost Explorer can display tag data as soon as tags are activated and resources are tagged, though historical data may take up to 24 hours to appear; there is no mandatory 30-day waiting period. Option D is wrong because the iam:ListAccountAliases permission is unrelated to viewing tags in Cost Explorer; it controls the ability to list account aliases in the IAM console, not cost allocation tag filtering.

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194

MCQeasy

Which statement about Amazon EC2 On-Demand pricing is accurate?

A.On-Demand instances require a minimum commitment of one month

B.On-Demand instances are billed per second with no upfront commitment or termination fees

C.On-Demand instances are the cheapest pricing option for all workloads

D.On-Demand instances must be running continuously once launched

AnswerB

Linux EC2 On-Demand instances are billed by the second with a 60-second minimum — no upfront fees, no long-term commitment, and no termination charges.

Why this answer

Amazon EC2 On-Demand instances are billed per second (with a minimum of 60 seconds) for Linux instances, and per hour for other operating systems, with no upfront payment or termination fees. This model provides maximum flexibility, allowing you to launch and stop instances as needed without any long-term commitment or penalty.

Exam trap

The trap here is that candidates often assume On-Demand instances require a minimum commitment (like one month) or that they must run continuously, confusing them with Reserved Instances or forgetting the per-second billing flexibility for Linux instances.

How to eliminate wrong answers

Option A is wrong because On-Demand instances require no upfront commitment or minimum term (e.g., one month); you pay only for what you use. Option C is wrong because On-Demand pricing is typically the most expensive per-hour cost; Savings Plans, Reserved Instances, and Spot Instances offer lower rates for steady-state or flexible workloads. Option D is wrong because On-Demand instances can be stopped and started at any time; they do not need to run continuously once launched.

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195

MCQmedium

A company runs a business-critical workload on AWS. The workload must have a 15-minute response time from AWS Support if it becomes unavailable. Additionally, the company wants a dedicated technical account manager (TAM) who will proactively review the architecture and provide best practice recommendations. Which AWS Support plan should the company choose?

A.Basic Support

B.Developer Support

C.Business Support

D.Enterprise Support

AnswerD

The Enterprise Support plan is designed for customers running business-critical workloads. It offers a 15-minute response time for critical system down issues, a dedicated Technical Account Manager (TAM) who provides proactive architectural guidance, and access to a Concierge Support Team. This plan meets all stated requirements.

Why this answer

The Enterprise Support plan is the only AWS Support plan that provides a 15-minute response time for business-critical workloads and includes a dedicated Technical Account Manager (TAM). The TAM proactively reviews the architecture and offers best practice recommendations, which directly matches the company's requirements.

Exam trap

The trap here is that candidates often confuse the Business Support plan's 1-hour response time for production system down with the Enterprise plan's 15-minute response time, and overlook that only Enterprise includes a dedicated TAM.

How to eliminate wrong answers

Option A is wrong because Basic Support provides only account and billing support with no technical support, no defined response times, and no TAM. Option B is wrong because Developer Support offers a 12-hour response time for impaired systems and does not include a dedicated TAM. Option C is wrong because Business Support provides a 1-hour response time for production system down but does not include a dedicated TAM or the 15-minute response time for business-critical workloads.

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196

MCQmedium

A company processes large amounts of data with Amazon EC2 and exports the results to customers globally via the internet. Which AWS cost component will be their largest variable cost?

A.Data transfer into AWS (inbound)

B.Data transfer out of AWS to the internet (outbound)

C.Data transfer between EC2 instances in the same Availability Zone

D.API calls to AWS services

AnswerB

Outbound data transfer to the internet is charged per GB, making it a significant cost for applications that export large amounts of data to end users.

Why this answer

Data transfer out of AWS to the internet (outbound) is typically the largest variable cost for workloads that export large results to global customers. AWS charges per GB for outbound data transfer, and rates increase with volume, while inbound data transfer is free. For a company processing large datasets on EC2 and sending results to customers via the internet, outbound traffic dominates the data transfer bill.

Exam trap

The trap here is that candidates often assume inbound data transfer is costly or that inter-instance traffic incurs charges, but AWS specifically makes inbound free and same-AZ traffic free, so outbound internet transfer is the only significant variable cost among the options.

How to eliminate wrong answers

Option A is wrong because data transfer into AWS (inbound) is always free, so it cannot be the largest variable cost. Option C is wrong because data transfer between EC2 instances in the same Availability Zone is free (no charge), so it contributes nothing to variable costs. Option D is wrong because API calls to AWS services are billed per request (e.g., $0.01 per 1,000 requests for certain APIs), but these costs are negligible compared to the volume of outbound data transfer in a data-heavy export scenario.

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197

MCQmedium

A company runs separate AWS accounts for development, testing, and production workloads. The finance team wants a single view that shows the total spending across all accounts. Additionally, the team wants to benefit from volume discount pricing by aggregating usage across all accounts. The team also needs to allocate costs to individual projects based on custom tags applied to resources. Which AWS feature should the finance team use to meet all these requirements?

A.AWS Cost Explorer

B.AWS Organizations consolidated billing

C.AWS Budgets

D.AWS Trusted Advisor

AnswerB

Consolidated billing is a feature of AWS Organizations that aggregates costs across all member accounts, enabling volume discounts based on combined usage. It also supports cost allocation tags, allowing the finance team to track costs by project. This meets all the stated requirements.

Why this answer

AWS Organizations consolidated billing allows you to aggregate usage across all linked accounts, enabling volume discount pricing (e.g., lower S3 storage rates or EC2 Reserved Instance tiers) based on combined usage. It also provides a single payer account that can view total spending across all accounts, and supports cost allocation using custom tags (e.g., Project or CostCenter) via AWS Cost Explorer or AWS Cost and Usage Reports. This directly meets the finance team's requirements for unified spending visibility, volume discounts, and tag-based cost allocation.

Exam trap

The trap here is that candidates often pick AWS Cost Explorer because it shows spending, but they miss that it cannot aggregate accounts or provide volume discounts without consolidated billing being enabled first.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer is a visualization and analysis tool for viewing historical and forecasted costs, but it does not aggregate accounts into a single bill or enable volume discount pricing; it relies on consolidated billing already being set up. Option C is wrong because AWS Budgets is used to set spending limits and receive alerts, not to aggregate accounts for billing or apply volume discounts; it also cannot allocate costs to projects based on tags without consolidated billing and Cost Explorer.

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198

MCQmedium

A company runs a mix of Amazon EC2 instances, AWS Fargate containers, and AWS Lambda functions across multiple AWS Regions. The company wants to reduce costs by making a 1-year commitment for compute usage. The company needs a flexible purchasing option that automatically applies the discounted rate to any EC2 instance, Fargate, or Lambda usage, regardless of region, instance family, or size. Which AWS purchasing option should the company use?

A.Compute Savings Plan

B.EC2 Instance Savings Plan

C.Standard Reserved Instance

D.Convertible Reserved Instance

AnswerA

A Compute Savings Plan applies to any EC2 instance (any family, size, region), as well as to AWS Fargate and AWS Lambda usage. It provides the highest flexibility and matches the requirement of covering all compute services across regions.

Why this answer

A Compute Savings Plan is the correct choice because it offers the most flexibility, automatically applying discounted rates to any EC2 instance, Fargate, or Lambda usage across any AWS Region, instance family, or size. This matches the company's requirement for a 1-year commitment that covers diverse compute services without regional or instance constraints.

Exam trap

The trap here is that candidates often confuse Savings Plans with Reserved Instances, assuming Reserved Instances offer similar flexibility, but Reserved Instances are tied to specific instance attributes and do not cover Fargate or Lambda, making them unsuitable for this multi-service, multi-Region scenario.

How to eliminate wrong answers

Option B (EC2 Instance Savings Plan) is wrong because it only applies to EC2 instances within a specific instance family in a Region, not covering Fargate or Lambda, and lacks the cross-region flexibility required. Option C (Standard Reserved Instance) is wrong because it locks to a specific instance family, size, and Region, and does not cover Fargate or Lambda usage. Option D (Convertible Reserved Instance) is wrong because while it allows changing instance families, it still only applies to EC2 instances, not Fargate or Lambda, and requires manual exchange rather than automatic application.

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199

MCQeasy

Which AWS support plan provides access to a Technical Account Manager (TAM) and proactive guidance for workload optimization?

A.Developer Support

B.Business Support

C.Enterprise Support

D.Basic Support

AnswerC

Enterprise Support includes a dedicated TAM and proactive guidance for workload optimization.

Why this answer

The Enterprise Support plan is the only AWS support plan that includes a designated Technical Account Manager (TAM) who provides proactive guidance, including architectural reviews and workload optimization recommendations. This plan is designed for large-scale enterprises that require personalized, ongoing support to align AWS services with business outcomes.

Exam trap

The trap here is that candidates often confuse the Business Support plan's access to Cloud Support Engineers with the dedicated TAM and proactive guidance that only the Enterprise Support plan provides.

How to eliminate wrong answers

Option A is wrong because Developer Support provides best-practice guidance and general support but does not include a TAM or proactive workload optimization. Option B is wrong because Business Support offers 24/7 access to Cloud Support Engineers and third-party software support, but it lacks a dedicated TAM and the proactive guidance found in Enterprise Support. Option D is wrong because Basic Support only includes access to documentation, whitepapers, and the AWS Health Dashboard; it provides no technical support, TAM, or proactive guidance.

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200

MCQmedium

A company has been running multiple workloads on AWS for over six months. The finance team needs to gain visibility into historical cost and usage data, identify which services are driving the most spend, forecast future monthly costs, and receive recommendations for purchasing Reserved Instances to achieve the highest savings. The team wants to use a native AWS tool that provides this functionality without requiring any third-party software. Which AWS tool should the finance team use?

A.AWS Trusted Advisor

B.AWS Budgets

C.AWS Cost Explorer

D.AWS Pricing Calculator

AnswerC

AWS Cost Explorer has a default dashboard that gives you a view of your cost and usage over time. It enables you to filter by service, linked account, or tags, and provides forecasting up to 12 months ahead. Cost Explorer also provides Reserved Instance purchase recommendations based on your actual usage patterns, helping you maximize savings. This matches the finance team's requirements exactly.

Why this answer

AWS Cost Explorer is the correct choice because it provides a native interface for visualizing historical cost and usage data, identifying top spend drivers, forecasting future costs up to 12 months, and generating Reserved Instance (RI) purchase recommendations based on actual usage patterns. It meets all the finance team's requirements without any third-party software.

Exam trap

The trap here is that candidates often confuse AWS Budgets with Cost Explorer because both deal with cost management, but Budgets is for setting limits and alerts, not for in-depth historical analysis, forecasting, or RI recommendations.

How to eliminate wrong answers

Option A is wrong because AWS Trusted Advisor is a service that inspects your AWS environment and provides best-practice recommendations in categories like cost optimization, performance, security, and fault tolerance, but it does not provide historical cost and usage data, forecasting, or Reserved Instance purchase recommendations. Option B is wrong because AWS Budgets allows you to set custom cost and usage budgets and receive alerts when you exceed or are forecasted to exceed them, but it does not provide historical cost and usage analysis, identify top spend drivers, or generate Reserved Instance recommendations.

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201

MCQeasy

Which AWS service provides a marketplace where customers can find, buy, and deploy software from third-party vendors that runs on AWS infrastructure?

A.AWS Service Catalog

B.AWS Marketplace

C.AWS Partner Network

D.Amazon AppFlow

AnswerB

AWS Marketplace is the digital catalog for purchasing and deploying third-party software (SaaS, AMIs, containers, CloudFormation templates) with AWS-consolidated billing.

Why this answer

AWS Marketplace is a digital catalog with thousands of software listings from independent software vendors (ISVs). Customers can find, buy, and deploy software with flexible pricing options including hourly, annual, and multi-year contracts. AWS Marketplace handles billing consolidation — charges appear on the AWS bill alongside other AWS charges.

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202

MCQhard

A company has unpredictable, short-lived batch processing workloads that can be interrupted. Which EC2 purchasing option would provide the lowest cost for these workloads?

A.On-Demand Instances

B.Reserved Instances (1-year, No Upfront)

C.Spot Instances

D.Dedicated Hosts

AnswerC

Spot Instances offer up to 90% discount for interruptible workloads. Batch jobs that can checkpoint and resume are the ideal fit — they tolerate interruption in exchange for the lowest possible compute cost.

Why this answer

Spot Instances (Option C) are the correct choice because they offer unused EC2 capacity at steep discounts (up to 90% off On-Demand) and are ideal for fault-tolerant, flexible, short-lived, or interruptible workloads. Since the company's batch processing jobs are unpredictable and can be interrupted, Spot Instances provide the lowest cost while tolerating the risk of termination when AWS needs the capacity back.

Exam trap

The trap here is that candidates often choose On-Demand Instances (Option A) because they assume 'unpredictable' workloads require full pricing flexibility, but they overlook that Spot Instances are explicitly designed for interruptible, short-lived workloads at the lowest cost.

How to eliminate wrong answers

Option A is wrong because On-Demand Instances provide full pricing flexibility but are significantly more expensive than Spot Instances, making them unsuitable for cost-sensitive interruptible workloads. Option B is wrong because Reserved Instances require a 1-year or 3-year commitment and are designed for steady-state, predictable usage, not for short-lived, unpredictable batch jobs that can be interrupted. Option D is wrong because Dedicated Hosts provide physical servers dedicated for your use, which is the most expensive option and is intended for regulatory or licensing requirements, not for cost optimization on interruptible workloads.

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203

MCQmedium

A company runs a steady, predictable workload on a diverse mix of Amazon EC2 instances spanning multiple instance families (e.g., M5, C5, R5) and AWS Regions. The company wants to maximize cost savings while retaining the ability to freely change instance families and Regions during the commitment term without losing the discount. Which AWS pricing model should the company use?

A.On-Demand Instances

B.Reserved Instances

C.Spot Instances

D.Compute Savings Plans

AnswerD

Compute Savings Plans provide the same discounts as Reserved Instances but with greater flexibility. They apply to any EC2 instance usage regardless of instance family, size, or Region, as long as the usage is within the committed dollar-per-hour amount. This matches the company's need for both cost savings and flexibility.

Why this answer

Compute Savings Plans (D) offer the highest flexibility by applying a discounted hourly commitment across any EC2 instance family, size, OS, tenancy, and region, automatically covering usage changes without losing the discount. This matches the requirement to freely change instance families and regions during the term while maximizing savings over On-Demand pricing.

Exam trap

The trap here is that candidates often confuse Reserved Instances with Savings Plans, assuming RIs offer similar flexibility, but RIs are region- and family-specific, whereas Compute Savings Plans provide full flexibility across families and regions.

How to eliminate wrong answers

Option A is wrong because On-Demand Instances provide no discount and thus cannot maximize cost savings. Option B is wrong because Reserved Instances lock the discount to a specific instance family and region; changing families or regions forfeits the discount. Option C is wrong because Spot Instances offer deep discounts but can be interrupted with two-minute notices, making them unsuitable for a steady, predictable workload that requires reliability.

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204

MCQmedium

A solutions architect is planning a new web application on AWS. The workload will include 3 Amazon EC2 instances (t3.medium) running 24/7, an Application Load Balancer, and an Amazon RDS for MySQL db.t3.small database. The architect needs to estimate the monthly cost for the first year, considering different purchasing options (On-Demand, 1-year All Upfront Reserved Instance, and Compute Savings Plan). Which AWS tool should the architect use to create this estimate?

A.AWS Total Cost of Ownership (TCO) Calculator

B.AWS Pricing Calculator

C.AWS Cost Explorer

D.AWS Budgets

AnswerB

The AWS Pricing Calculator is the correct tool. It enables you to estimate AWS service costs before deployment, supporting various services, configurations, regions, and purchasing options (On-Demand, Reserved, Savings Plans).

Why this answer

The AWS Pricing Calculator (formerly Simple Monthly Calculator) is the correct tool for estimating monthly costs for specific AWS resources like EC2 instances, ALB, and RDS under different purchasing options (On-Demand, Reserved Instances, Savings Plans). It allows you to input exact instance types, quantities, and commitment terms to generate a detailed cost estimate for the first year.

Exam trap

The trap here is that candidates confuse the AWS Pricing Calculator (for future estimates) with AWS Cost Explorer (for past analysis) or the TCO Calculator (for on-premises comparison), leading them to select a tool that cannot generate a forward-looking cost estimate for a planned workload.

How to eliminate wrong answers

Option A is wrong because the AWS Total Cost of Ownership (TCO) Calculator is designed to compare on-premises infrastructure costs with AWS cloud costs, not to estimate monthly costs for a specific AWS workload with different purchasing options. Option C is wrong because AWS Cost Explorer is a tool for analyzing historical cost and usage data, not for creating upfront estimates for a planned architecture; it requires existing usage data to generate reports.

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205

MCQmedium

A company runs a mix of Amazon EC2 instances across multiple AWS Regions to support its e-commerce platform. The finance team wants to reduce compute costs by right-sizing resources. They need a managed tool that analyzes historical CPU and memory utilization over 30 days, uses machine learning to identify over-provisioned and under-provisioned instances, and provides actionable recommendations to adjust instance sizes. Which AWS tool should the finance team use?

A.AWS Trusted Advisor

B.AWS Cost Explorer

C.AWS Compute Optimizer

D.AWS Budgets

AnswerC

AWS Compute Optimizer is a service that uses machine learning to analyze historical utilization metrics (CPU, memory, network throughput) for EC2 instances and other resources. It identifies over- and under-provisioned instances and provides specific recommendations to change instance types or sizes to reduce costs or improve performance. This directly matches the finance team's requirement for ML-based right-sizing based on 30-day utilization data.

Why this answer

AWS Compute Optimizer is the correct choice because it is a managed service that uses machine learning to analyze historical utilization metrics (CPU, memory, etc.) over up to 93 days, identifies over-provisioned and under-provisioned EC2 instances, and generates actionable rightsizing recommendations. The question specifically requires a tool that analyzes 30 days of historical CPU and memory data with ML-driven insights, which aligns exactly with Compute Optimizer's core functionality.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer's cost-based rightsizing recommendations (which are purely financial) with Compute Optimizer's utilization-based ML recommendations, leading them to select Cost Explorer despite the question explicitly requiring CPU and memory analysis.

How to eliminate wrong answers

Option A is wrong because AWS Trusted Advisor provides general best-practice checks (e.g., idle instances, reserved instance optimization) but does not perform ML-based analysis of historical CPU and memory utilization over 30 days, nor does it generate specific rightsizing recommendations for instance sizes. Option B is wrong because AWS Cost Explorer focuses on cost and usage visualization, forecasting, and Reserved Instance recommendations, but it does not analyze CPU or memory utilization data or use machine learning to identify over-provisioned or under-provisioned instances. Option D is wrong because AWS Budgets is a cost monitoring and alerting tool that tracks spending against budgets, not a resource optimization service that analyzes utilization metrics or provides instance rightsizing recommendations.

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206

MCQmedium

A company wants to implement governance controls that prevent their developers from provisioning expensive instance types. Which approach is most effective?

A.Set an AWS Budget alert for when expensive instances are launched

B.Apply an SCP or IAM policy that denies launching specific expensive instance types

C.Enable AWS Cost Explorer recommendations

D.Enable Trusted Advisor and review weekly

AnswerB

IAM condition keys (ec2:InstanceType) can restrict which instance types can be launched. At the org level, SCPs enforce this across all accounts without override.

Why this answer

Option B is correct because Service Control Policies (SCPs) or IAM policies can explicitly deny the launch of specific expensive instance types (e.g., `p3.2xlarge` or `x1e.32xlarge`) at the API level, preventing the action before any resources are created. This proactive governance approach enforces compliance in real time, unlike reactive or advisory methods. By attaching a deny effect for `ec2:RunInstances` with a condition on `ec2:InstanceType`, the policy blocks unauthorized instance provisioning regardless of the user's role or account.

Exam trap

The trap here is that candidates confuse reactive cost management tools (like budgets and Cost Explorer) with proactive governance controls, assuming alerts or recommendations can prevent actions rather than just monitor or advise.

How to eliminate wrong answers

Option A is wrong because AWS Budget alerts are reactive notifications that only inform after an instance is launched and costs are incurred, not a preventive control that stops provisioning. Option C is wrong because AWS Cost Explorer recommendations are advisory tools that suggest cost optimizations based on historical data, but they do not enforce any restrictions on instance type selection. Option D is wrong because Trusted Advisor provides best-practice checks and weekly reviews, but it does not actively block API calls or prevent developers from launching expensive instances.

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207

MCQmedium

A company runs hundreds of Amazon EC2 instances across multiple accounts. The finance team wants to identify over-provisioned instances that are using more memory or CPU than necessary, so that they can downsize them and reduce monthly costs. The team needs automated, ongoing recommendations based on the actual utilization metrics of the instances. Which AWS service should the team use to meet these requirements?

A.AWS Cost Explorer

B.AWS Compute Optimizer

C.AWS Trusted Advisor

D.AWS Budgets

AnswerB

AWS Compute Optimizer uses machine learning to analyze historical utilization metrics of EC2 instances (CPU, memory, network, etc.) and delivers actionable recommendations to downsize or modify instance types to lower costs while maintaining performance. It provides ongoing, automated recommendations.

Why this answer

AWS Compute Optimizer is the correct service because it uses machine learning to analyze historical utilization metrics (CPU, memory, and network) of EC2 instances and generates automated, ongoing recommendations for right-sizing or downsizing over-provisioned instances. This directly meets the finance team's requirement for automated, continuous recommendations based on actual utilization to reduce monthly costs.

Exam trap

The trap here is that candidates often confuse AWS Trusted Advisor's cost optimization checks (which are static and limited to idle instances) with Compute Optimizer's dynamic, ML-driven right-sizing recommendations, leading them to choose Trusted Advisor instead of the more precise Compute Optimizer.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer provides cost and usage reports but does not analyze instance utilization metrics or generate right-sizing recommendations. Option C is wrong because AWS Trusted Advisor offers cost optimization checks (e.g., idle instances) but does not provide ongoing, machine-learning-based recommendations for downsizing based on memory and CPU utilization. Option D is wrong because AWS Budgets allows you to set cost thresholds and alerts but does not analyze instance performance metrics or suggest instance size changes.

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208

MCQmedium

A company wants to use AWS free tier for testing new services. Which statement about the AWS Free Tier is accurate?

A.The Free Tier is available indefinitely for all AWS services

B.The Free Tier includes a mix of 12-month free, always free, and short-term trial offers

C.The Free Tier applies equally to all AWS accounts including Enterprise support customers

D.AWS does not charge if you stay within Free Tier limits for any service

AnswerB

AWS Free Tier has three categories: 12 months free (e.g., EC2 t2.micro), always free (e.g., Lambda), and trials (e.g., 30-day Amazon Redshift trial).

Why this answer

Option B is correct because the AWS Free Tier is structured into three categories: 12-month free offers (e.g., 750 hours of EC2 t2.micro per month), always free offers (e.g., 1 million Lambda requests per month), and short-term trials (e.g., 30-day free trial of Amazon Inspector). This mix allows customers to test services without incurring costs for the specified limits and durations.

Exam trap

The trap here is that candidates assume the Free Tier covers all usage within limits for any service, but AWS explicitly excludes certain services (e.g., data transfer out beyond 1 GB) and imposes time-bound offers, leading to unexpected charges if not carefully monitored.

How to eliminate wrong answers

Option A is wrong because the Free Tier is not available indefinitely for all services; only 'always free' offers are permanent, while 12-month free offers expire after one year and short-term trials have a fixed duration. Option C is wrong because the Free Tier does not apply equally to all accounts; Enterprise support customers may have additional costs (e.g., support fees) and the Free Tier limits are per account, not per support plan. Option D is wrong because AWS does charge if you exceed the Free Tier limits for any service, and some services (e.g., data transfer out) may incur costs even within Free Tier limits if usage patterns violate the terms.

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209

MCQmedium

A company operates separate AWS accounts for its engineering, marketing, and finance departments. The CFO wants to consolidate billing to receive a single monthly invoice and to benefit from volume pricing discounts. The security team also requires a centralized mechanism to prevent users in any department from launching Amazon EC2 instances outside of the us-east-1 and eu-west-1 Regions to meet data residency compliance. Which AWS service or feature should the company use to meet both requirements?

A.AWS Budgets

B.AWS Organizations with Service Control Policies (SCPs)

C.AWS Identity and Access Management (IAM) cross-account roles

D.AWS Cost and Usage Reports

AnswerB

AWS Organizations provides consolidated billing for a single invoice and volume discounts, and SCPs allow you to centrally define and enforce permission guardrails (e.g., restricting Regions) across all member accounts. This directly meets both requirements.

Why this answer

AWS Organizations allows the company to consolidate multiple AWS accounts under a single management account, enabling consolidated billing for a single monthly invoice and volume pricing discounts. Service Control Policies (SCPs) provide centralized governance by restricting the AWS services and Regions that member accounts can use, such as preventing EC2 instances from being launched outside us-east-1 and eu-west-1. This combination directly addresses both the CFO's billing consolidation needs and the security team's data residency compliance requirements.

Exam trap

The trap here is that candidates may confuse AWS Budgets with billing consolidation, or think IAM cross-account roles can enforce regional restrictions, but only AWS Organizations with SCPs provides both centralized billing control and policy-based resource governance across multiple accounts.

How to eliminate wrong answers

Option A is wrong because AWS Budgets is a cost monitoring and alerting service that tracks spending against defined budgets, but it cannot consolidate billing across accounts or enforce regional restrictions on EC2 instance launches. Option C is wrong because IAM cross-account roles allow users in one account to assume roles in another account for access to resources, but they do not provide consolidated billing or the ability to centrally prevent EC2 launches in unauthorized Regions across all accounts.

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210

MCQmedium

A company uses AWS Organizations with separate accounts for development, testing, and production. The finance team wants to track monthly spending by internal project, but a single project may use resources across multiple accounts. The team has applied a 'Project' tag to all resources. They need a detailed billing report that shows costs grouped by this Project tag, combining data from all accounts. Which AWS feature should they enable to meet this requirement?

A.AWS Consolidated Billing

B.AWS Cost Explorer with tag filtering

C.AWS Budgets with tag-based alerts

D.AWS Cost and Usage Reports with cost allocation tags activated

AnswerD

The AWS Cost and Usage Reports (CUR) provides the most detailed billing data available. When cost allocation tags are activated and the CUR is configured to include those tags, the resulting CSV report contains line items tagged with the 'Project' values. This report can be generated regularly and includes data from all accounts in the organization, allowing the finance team to group and analyze costs by project across all accounts.

Why this answer

AWS Cost and Usage Reports (CUR) with cost allocation tags activated is the correct choice because it provides the most detailed billing data, including all tags, and can be delivered to an S3 bucket for analysis. This allows the finance team to group costs by the 'Project' tag across all accounts in the AWS Organization, meeting the requirement for a detailed, combined report.

Exam trap

The trap here is that candidates confuse the ability to filter or visualize costs in Cost Explorer with the need for a detailed, exportable report that groups costs by tags across all accounts, which only CUR provides.

How to eliminate wrong answers

Option A is wrong because AWS Consolidated Billing is a feature that combines usage across accounts for volume discounts and a single bill, but it does not provide a detailed report grouped by tags. Option B is wrong because AWS Cost Explorer with tag filtering provides visual analysis and filtering by tags, but it does not generate a detailed billing report that can be exported for custom grouping; it is more for ad-hoc exploration. Option C is wrong because AWS Budgets with tag-based alerts monitors spending against budgets and sends alerts based on tag values, but it does not produce a detailed billing report showing costs grouped by tags.

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211

MCQmedium

A company runs a web application on Amazon EC2 instances. The finance team wants to set a monthly spending limit for the application and receive email alerts when the actual cost exceeds 80% of that limit. Additionally, they want the system to automatically stop non-critical EC2 instances if the cost exceeds the limit. Which AWS service should they use to meet these requirements?

A.AWS Cost Explorer

B.AWS Budgets

C.AWS Trusted Advisor

D.AWS Pricing Calculator

AnswerB

AWS Budgets enables you to set custom budgets (e.g., monthly spending limits) and receive alerts when your actual or forecasted costs exceed defined thresholds. With budget actions, you can also automate responses such as stopping EC2 instances when a budget is exceeded. This directly meets both requirements.

Why this answer

AWS Budgets allows you to set a monthly spending limit (budget) and configure cost alerts that trigger when actual or forecasted costs exceed a specified threshold (e.g., 80% of the limit). It also integrates with AWS Actions to automatically stop non-critical EC2 instances when the budget limit is exceeded, meeting both the alert and automated remediation requirements.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer's forecasting capabilities with the ability to set budgets and trigger automated actions, but Cost Explorer is read-only and lacks alerting and remediation features.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer provides historical cost and usage analysis and forecasting, but it does not support setting spending limits, sending email alerts based on thresholds, or triggering automated actions to stop EC2 instances. Option C is wrong because AWS Trusted Advisor offers best-practice checks for cost optimization, security, and performance, but it cannot enforce spending limits, send threshold-based alerts, or automatically stop resources.

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212

MCQeasy

Which AWS feature allows multiple AWS accounts to be managed under one umbrella, receive a single consolidated bill, and potentially share volume discounts?

A.AWS Control Tower

B.AWS Organizations

C.AWS IAM Identity Center

D.AWS Cost Explorer

AnswerB

AWS Organizations provides consolidated billing (single bill across all accounts), automatic sharing of RI and Savings Plans discounts, and centralized governance for multi-account AWS environments.

Why this answer

AWS Organizations is the correct service because it provides centralized management of multiple AWS accounts, enabling a single consolidated bill and the ability to aggregate usage across accounts to qualify for volume discounts. It allows you to create a hierarchy of accounts with organizational units (OUs) and apply service control policies (SCPs) for governance, while the consolidated billing feature combines all usage into a single payer account for pricing benefits.

Exam trap

The trap here is that candidates often confuse AWS Control Tower (which manages account governance) with AWS Organizations (which handles billing consolidation and account management), leading them to pick Control Tower because it sounds like a broader management umbrella.

How to eliminate wrong answers

Option A is wrong because AWS Control Tower is a service for setting up and governing a secure, multi-account AWS environment using AWS Organizations as a foundation, but it does not itself provide consolidated billing or volume discount sharing—it orchestrates account creation and compliance policies. Option C is wrong because AWS IAM Identity Center (formerly AWS SSO) is a service for managing user identities and single sign-on across AWS accounts and applications, not for billing consolidation or discount aggregation. Option D is wrong because AWS Cost Explorer is a tool for visualizing and analyzing your AWS costs and usage over time, but it does not manage multiple accounts under one umbrella or enable consolidated billing—it only reports on existing cost data.

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213

MCQmedium

A company is using several AWS services and has noticed their bill has been increasing. They want to identify which team or project is responsible for each cost. Which AWS feature enables tracking costs by team, project, or environment?

A.AWS Organizations consolidated billing

B.AWS Cost Allocation Tags

C.AWS Budgets

D.AWS Config tags

AnswerB

Cost Allocation Tags tag resources with metadata (team, project, environment) that appears in billing reports, enabling cost breakdown and accountability by business dimension.

Why this answer

AWS Cost Allocation Tags allow you to tag AWS resources with metadata (e.g., team, project, environment) and then activate those tags in the Billing and Cost Management console. Once activated, AWS generates cost reports that break down charges by those tag values, enabling you to attribute costs to specific teams or projects. This is the native AWS feature designed specifically for cost allocation and tracking.

Exam trap

The trap here is that candidates confuse AWS Config tags (used for compliance and resource tracking) with Cost Allocation Tags, or assume that consolidated billing alone provides per-team cost visibility without the need for tagging.

How to eliminate wrong answers

Option A is wrong because AWS Organizations consolidated billing aggregates costs across multiple accounts for a single monthly bill, but it does not provide granular tagging or per-team cost breakdowns without additional tagging features. Option C is wrong because AWS Budgets is a tool for setting spending limits and receiving alerts when costs exceed thresholds; it does not track or attribute costs to specific teams or projects. Option D is wrong because AWS Config tags are used for resource configuration compliance and auditing, not for cost allocation or billing analysis.

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214

MCQmedium

A startup wants to receive alerts when their AWS spending approaches a set threshold. Which AWS service should they use?

A.AWS Cost Explorer

B.AWS Billing Dashboard

C.AWS Budgets

D.AWS Trusted Advisor

AnswerC

AWS Budgets sends alerts when costs approach or exceed defined thresholds.

Why this answer

AWS Budgets allows you to set custom cost and usage budgets and receive alerts when your actual or forecasted spending exceeds (or is forecasted to exceed) the budgeted amount. For this startup, they can configure a cost budget with a threshold (e.g., 80% of the set amount) and have Amazon SNS send notifications via email or SMS when spending approaches that threshold.

Exam trap

The trap here is that candidates often confuse AWS Cost Explorer's ability to view cost trends with the proactive alerting capability of AWS Budgets, assuming that a visualization tool can also send notifications, but AWS Budgets is the only service that provides configurable threshold-based alerts.

How to eliminate wrong answers

Option A is wrong because AWS Cost Explorer is a visualization and analysis tool for exploring historical cost data and usage patterns, but it does not natively send proactive alerts when spending approaches a threshold. Option B is wrong because the AWS Billing Dashboard provides a high-level overview of current month-to-date charges and invoices, but it lacks the ability to configure custom threshold-based alerts. Option D is wrong because AWS Trusted Advisor inspects your AWS environment for cost optimization, performance, security, and fault tolerance recommendations, but it does not provide configurable spending threshold alerts.

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215

MCQmedium

A company has been running workloads on AWS for over a year. The finance team needs to analyze historical spending patterns. They want a graphical dashboard that shows costs by service (e.g., EC2, S3), by AWS Region, and by custom cost allocation tags over the last 12 months. Additionally, they need to generate a 3-month cost forecast based on this historical data. Which AWS tool should the finance team use to meet these requirements?

A.AWS Budgets

B.AWS Cost Explorer

C.AWS Trusted Advisor

D.AWS Consolidated Billing

AnswerB

AWS Cost Explorer is the correct tool for this scenario. It offers pre-built reports, filters, and graphs to view cost and usage data by service, region, and tags. It also includes cost forecasting capabilities based on historical usage patterns.

Why this answer

AWS Cost Explorer provides a pre-built graphical dashboard that allows you to visualize, understand, and manage AWS costs and usage over time. It supports filtering by service (e.g., EC2, S3), AWS Region, and custom cost allocation tags, and it includes a built-in forecasting feature that can generate a 3-month cost forecast based on historical data. This directly meets all the requirements for analyzing historical spending patterns and generating a forecast.

Exam trap

The trap here is that candidates often confuse AWS Budgets (which only alerts on thresholds) with Cost Explorer (which provides historical analysis and forecasting), leading them to select AWS Budgets for a task it cannot perform.

How to eliminate wrong answers

Option A is wrong because AWS Budgets is designed for setting cost and usage alerts and tracking against a budget threshold, not for analyzing historical spending patterns or generating graphical dashboards with forecasts over 12 months. Option C is wrong because AWS Trusted Advisor is a service that inspects your AWS environment to provide best practice recommendations in areas like cost optimization, performance, security, and fault tolerance, but it does not provide a graphical dashboard for historical cost analysis by service, region, or tags, nor does it generate cost forecasts.

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