CLF-C02 Timed Practice Test 3 — 10 Questions

Question 1

A company wants to automatically receive an email alert whenever their monthly AWS spend is forecasted to exceed $10,000, or if it actually exceeds $10,000. Which AWS service provides this capability?

Accepted Answer

AWS Budgets. AWS Budgets allows you to set a custom budget (e.g., monthly cost budget of $10,000) and configure alert thresholds (actual or forecasted) that trigger an Amazon SNS notification, which can send an email alert. This directly meets the requirement to be notified when the forecasted or actual spend exceeds $10,000.

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AWS Cost Explorer

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AWS Pricing Calculator

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Amazon CloudWatch

Question 2

A large enterprise runs business-critical workloads on AWS and needs 24/7 phone and chat access to Cloud Support Engineers, a designated Technical Account Manager (TAM), and access to proactive guidance and architectural reviews. Which AWS Support plan includes all of these features?

Accepted Answer

Enterprise Support. The Enterprise Support plan is the only AWS Support plan that includes 24/7 phone and chat access to Cloud Support Engineers, a designated Technical Account Manager (TAM), and proactive guidance and architectural reviews. These features are specifically designed for large enterprises running business-critical workloads that require personalized support and strategic advice.

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Basic Support

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Developer Support

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Business Support

Question 3

A solutions architect is reviewing a system to ensure the right instance types are selected for each workload, that resource selection is based on data rather than assumptions, and that performance is monitored and improved over time. Which pillar of the AWS Well-Architected Framework is being applied?

Accepted Answer

Performance Efficiency. The Performance Efficiency pillar focuses on using computing resources efficiently to meet system requirements and maintaining that efficiency as demand changes and technologies evolve. The scenario describes selecting instance types based on data, monitoring performance, and iteratively improving—all core activities of this pillar. It directly aligns with the AWS Well-Architected Framework's design principle of 'democratizing advanced technologies' and the pillar's focus on right-sizing and continuous improvement.

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Reliability

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Cost Optimisation

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Operational Excellence

Question 4

A company wants to automatically detect and label objects in photos uploaded by users — such as identifying if a photo contains a person, a car, or an outdoor scene — without building their own machine learning model. Which AWS service provides this pre-built computer vision capability?

Accepted Answer

Amazon Rekognition. Amazon Rekognition is the correct choice because it is a fully managed, pre-trained computer vision service that can automatically detect and label objects, scenes, and faces in images without requiring any custom machine learning model development. It provides APIs for image analysis, including object and scene detection, which directly matches the requirement to identify if a photo contains a person, car, or outdoor scene.

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Amazon SageMaker

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Amazon Comprehend

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Amazon Polly

Question 5

A company wants an automated tool that analyses their AWS account and provides recommendations across five categories: cost optimisation, performance, security, fault tolerance, and service limits. Which AWS service provides this analysis?

Accepted Answer

AWS Trusted Advisor. AWS Trusted Advisor is the correct service because it is specifically designed to analyze an AWS account and provide recommendations across the five categories listed: cost optimization, performance, security, fault tolerance, and service limits. It evaluates resources against AWS best practices and offers actionable guidance, making it the only service that covers all these domains in a single, automated tool.

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Amazon Inspector

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AWS Config

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Amazon CloudWatch

Question 6

A company's finance team needs the most granular AWS billing data available, including cost and usage data at the hourly level, broken down by resource ID and cost allocation tags, delivered to Amazon S3 for analysis with their BI tools. Which AWS service provides this?

Accepted Answer

AWS Cost and Usage Report. AWS Cost and Usage Report (CUR) is the correct choice because it provides the most granular billing data available, including hourly-level cost and usage, broken down by resource ID and cost allocation tags, and can be delivered to Amazon S3 for analysis with BI tools. This service is designed for detailed, customizable reports that meet the finance team's requirements for granularity and integration.

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AWS Cost Explorer

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AWS Budgets

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Amazon CloudWatch Billing Metrics

Question 7

A finance team works with architects to eliminate unused EC2 instances, right-size over-provisioned resources, replace On-Demand instances with Reserved Instances for stable workloads, and adopt managed services to reduce operational overhead. Which AWS Well-Architected Framework pillar guides these activities?

Accepted Answer

Cost Optimisation. Option C is correct because the Cost Optimization pillar of the AWS Well-Architected Framework focuses on eliminating unused resources, right-sizing over-provisioned instances, using Reserved Instances for predictable workloads, and adopting managed services to reduce operational overhead. These activities directly target cost efficiency by aligning resource usage with demand and avoiding waste.

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Operational Excellence

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Reliability

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Security

Question 8

AWS can offer lower pay-as-you-go pricing than a single company could achieve operating its own data centre because AWS aggregates usage from hundreds of thousands of customers. Which cloud computing benefit does this describe?

Accepted Answer

Benefit from massive economies of scale. The scenario describes AWS aggregating usage from hundreds of thousands of customers to achieve lower per-unit costs than a single company could achieve operating its own data center. This is the direct definition of economies of scale, where the massive scale of AWS's infrastructure (e.g., purchasing power for hardware, optimized data center design) reduces the average cost per customer, enabling lower pay-as-you-go pricing.

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Trade capital expense for variable expense

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Increase speed and agility

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Go global in minutes

Question 9

A company stores log files in Amazon S3 Standard. After 30 days, the logs are rarely accessed. After 365 days, they should be archived and almost never retrieved. The company wants to automatically move objects between storage classes to minimise cost. Which S3 feature enables this automated transition?

Accepted Answer

S3 Lifecycle policy. S3 Lifecycle policies allow you to define rules that automatically transition objects between storage classes based on age or other criteria. In this scenario, a lifecycle rule can move logs from S3 Standard to a lower-cost infrequent access class after 30 days, and then to S3 Glacier Deep Archive after 365 days, minimizing storage costs without manual intervention.

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S3 Versioning

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S3 Intelligent-Tiering

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S3 Event Notification

Question 10

A company needs to deploy their application in multiple geographic locations to ensure data sovereignty compliance and reduce latency for users in different continents. What is the AWS infrastructure concept that represents a distinct geographic area with multiple isolated locations?

Accepted Answer

AWS Region. An AWS Region is a distinct geographic area that contains multiple, isolated Availability Zones. This design allows customers to deploy applications across separate locations within a region for high availability, while also choosing specific regions to meet data sovereignty requirements and reduce latency for users on different continents.

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Availability Zone

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Edge Location

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Local Zone