CLF-C02 Billing, Pricing, and Support Practice Question
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?
⚠ Common exam trap
Many exam-takers 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.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Activate the 'Project' tag as a cost allocation tag in the AWS Organizations payer account's Billing and Cost Management console.
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.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create an AWS Budget for each 'Project' tag value and set cost alerts to track spending per project.
Why it's wrong here
AWS Budgets allows you to set cost thresholds and receive alerts, but it does not natively break down the consolidated bill by tag values. Budgets can be filtered by tags, but they are not designed to produce a full cost breakdown report by project across accounts.
When this WOULD be correct
A company needs to monitor spending for each project and receive alerts when costs exceed a threshold. In that case, creating AWS Budgets for each 'Project' tag value with cost alerts would be appropriate.
- ✓
Activate the 'Project' tag as a cost allocation tag in the AWS Organizations payer account's Billing and Cost Management console.
Why this is correct
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.
- ✗
Use AWS Trusted Advisor to generate a cost optimization report that shows which projects are over-spending based on the 'Project' tag.
Why it's wrong here
AWS Trusted Advisor is a service that evaluates AWS accounts against best practices and offers recommendations in categories like cost optimization, security, performance, and fault tolerance. However, its cost optimization checks (e.g., idle resources, underutilized Amazon EBS volumes) are generic and do not consume custom resource tags. Trusted Advisor has no mechanism to generate a report of spending per 'Project' tag value, because it does not read cost allocation tags or aggregate cost and usage data by arbitrary tag keys. Therefore, it cannot be used to identify which projects are overspending based on that tag.
When this WOULD be correct
A company wants to identify underutilized resources or cost savings opportunities across its AWS accounts, and needs a report that highlights specific services or regions where spending can be reduced.
- ✗
Configure AWS Compute Optimizer to analyze costs per project and recommend resource downsizing based on the 'Project' tag.
Why it's wrong here
AWS Compute Optimizer analyzes resource utilization and provides rightsizing recommendations for EC2, Auto Scaling groups, EBS volumes, and Lambda functions. It does not break down billing costs by tag values or produce consolidated billing reports by project.
When this WOULD be correct
A company wants to identify underutilized EC2 instances across multiple accounts and receive recommendations to downsize them to reduce costs, based on CPU and memory usage patterns.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The CLF-C02 exam frequently reuses these exact scenarios with slightly different constraints.
✓Activate the 'Project' tag as a cost allocation tag in the AWS Organizations payer account's Billing and Cost Management console.Correct answer▾
Why this is correct
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.
✗Create an AWS Budget for each 'Project' tag value and set cost alerts to track spending per project.Wrong answer — click to see why▾
Why this is wrong here
AWS Budgets track spending against a budget amount but do not generate a consolidated monthly bill broken down by tag values across multiple accounts. They provide alerts, not a detailed cost breakdown report.
★ When this WOULD be the correct answer
A company needs to monitor spending for each project and receive alerts when costs exceed a threshold. In that case, creating AWS Budgets for each 'Project' tag value with cost alerts would be appropriate.
Why candidates choose this
Candidates may think budgets can provide cost breakdowns because they can filter by tags, but budgets are for threshold monitoring, not generating consolidated billing reports.
✗Use AWS Trusted Advisor to generate a cost optimization report that shows which projects are over-spending based on the 'Project' tag.Wrong answer — click to see why▾
Why this is wrong here
AWS Trusted Advisor provides cost optimization recommendations and checks, but it does not generate reports broken down by tag values for consolidated billing across multiple accounts.
★ When this WOULD be the correct answer
A company wants to identify underutilized resources or cost savings opportunities across its AWS accounts, and needs a report that highlights specific services or regions where spending can be reduced.
Why candidates choose this
Candidates may confuse Trusted Advisor's cost optimization checks with cost allocation reporting, assuming it can produce tag-based cost breakdowns.
✗Configure AWS Compute Optimizer to analyze costs per project and recommend resource downsizing based on the 'Project' tag.Wrong answer — click to see why▾
Why this is wrong here
AWS Compute Optimizer analyzes resource utilization and recommends rightsizing, but it does not provide cost breakdowns by tags or generate consolidated billing reports across accounts.
★ When this WOULD be the correct answer
A company wants to identify underutilized EC2 instances across multiple accounts and receive recommendations to downsize them to reduce costs, based on CPU and memory usage patterns.
Why candidates choose this
Candidates may confuse Compute Optimizer's cost-saving recommendations with cost reporting features, assuming it can break down costs by tags.
Analysis generated from the official CLF-C02blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CLF-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CLF-C02 exam.