Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company runs multiple workloads on AWS, each in separate AWS accounts managed through AWS Organizations. The finance team wants to set a monthly cost threshold of $5,000 for the 'development' account. If the actual or forecasted costs exceed 80% of this threshold, the team wants to receive an email alert so they can review usage and take corrective action if needed. They also want to track costs against this threshold over time using a dashboard. Which AWS service should the finance team use to set up this threshold and receive the alerts?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
AWS Cost Explorer
AWS Cost Explorer provides a rich interface for visualizing and analyzing your AWS costs and usage over time, but it does not proactively send email alerts when costs reach a specific threshold. To receive such alerts, you must use AWS Budgets.
B
Best answer
AWS Budgets
AWS Budgets enables you to set custom cost and usage budgets and receive alerts when actual or forecasted costs exceed your defined thresholds. You can also track budget progress on the AWS Budgets dashboard. This matches the requirement perfectly.
C
Distractor review
AWS Trusted Advisor
AWS Trusted Advisor inspects your AWS environment and provides recommendations in categories such as cost optimization, performance, security, and fault tolerance. However, it does not allow you to set custom dollar-value budgets with email alerts for specific accounts.
D
Distractor review
AWS Organizations
AWS Organizations helps you centrally manage and govern multiple AWS accounts, including consolidated billing, but it does not include a budget alerting feature. Budget alerts are configured using AWS Budgets on individual accounts or on the management account.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer needs to launch a test server for a new application prototype. The developer logs into the AWS Management Console, selects an Amazon EC2 instance type, configures the security group, and starts the instance. The instance is running within two minutes, and the developer did not need to submit a formal request to the company's IT procurement team or wait for approval from a cloud administrator. Which essential characteristic of cloud computing does this scenario best demonstrate?
Question 2
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?
Question 3
A company's development team frequently needs temporary test environments. A developer can log into the AWS Management Console, select an Amazon EC2 instance type, configure storage, and launch the instance within minutes without any interaction with the IT infrastructure team. This capability is an example of which essential characteristic of cloud computing?
Question 4
A company's finance team needs to analyze AWS spending in detail. They require a report that includes hourly cost data for each AWS service, each individual resource (e.g., a specific EC2 instance), and any cost allocation tags applied. The team plans to export this data to an Amazon S3 bucket and then import it into a custom business intelligence (BI) analytics dashboard. Which AWS tool should the finance team use to generate this level of detailed cost data?
Question 5
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?
Question 6
A company uses AWS Organizations to manage multiple accounts. The security team needs to enforce a policy that restricts SSH access (port 22) from the internet (0.0.0.0/0) in all VPCs across all accounts. The team wants to centrally define the allowed rules and automatically apply them to newly created VPCs and security groups, while also automatically remediating any existing non-compliant security groups. Which AWS service should the team use?
FAQ
Questions learners often ask
What does this CLF-C02 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: AWS Budgets — AWS Budgets allows you to set custom cost and usage budgets and receive alerts when your actual or forecasted costs exceed (or are forecasted to exceed) a specified threshold. In this scenario, the team needs to set a $5,000 budget for the development account, with an alert at 80% ($4,000). AWS Budgets provides dashboards and allows you to track progress against the budget. AWS Cost Explorer is a tool for visualizing and analyzing costs, but it does not natively send proactive threshold alerts; budgets are required for alerting. AWS Trusted Advisor provides best-practice recommendations for cost optimization, but it does not allow you to set custom budget thresholds with email alerts. AWS Organizations provides central management of multiple accounts, but it does not include a budget alerting feature; budgets are set per account (or consolidated) using AWS Budgets.
What should I do if I get this CLF-C02 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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