CLF-C02 Billing, Pricing, and Support Practice Question
A company uses multiple AWS accounts and wants to perform detailed custom cost analysis using a third-party business intelligence (BI) tool. The company needs the most granular cost and usage data available, including resource-level details such as instance type, region, and tags. The BI tool can read CSV files from an Amazon S3 bucket. The company wants a managed AWS service that automatically exports this detailed data to an S3 bucket on a daily basis with no additional coding. Which AWS service should the company use?
⚠ Common exam trap
It's easy for candidates to confuse AWS Cost Explorer's manual CSV export capability with the fully automated, scheduled export feature of AWS Cost and Usage Reports, leading them to incorrectly select Cost Explorer.
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
✓
AWS Cost and Usage Reports
AWS Cost and Usage Reports (CUR) is the correct choice because it is a managed AWS service that automatically publishes the most granular cost and usage data—including resource-level details like instance type, region, and tags—to an Amazon S3 bucket in CSV format on a daily basis, with no additional coding required. This directly meets the company's need for detailed custom cost analysis using a third-party BI tool that reads CSV files from S3.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Cost Explorer
Why it's wrong here
AWS Cost Explorer provides an interactive dashboard and an API for exploring and visualizing your cost and usage patterns, including filtering by service, linked account, tag, or time period. You can manually download a CSV of the aggregated or grouped results, but that is an on-demand, one-time export of summarized data—not an automated, recurring delivery of the most granular line items (e.g., each resource, each usage type) to an S3 bucket. Cost Explorer is designed for ad-hoc analysis and forecasting, not as a data integration layer for continuous ingestion into an external BI platform, so it misses the core requirement of automatically publishing detailed data to S3.
When this WOULD be correct
A company wants to visualize and analyze AWS costs interactively in the AWS Management Console without needing to export data to a third-party BI tool. The question would ask for a service to explore costs and usage trends with built-in filtering and grouping.
- ✗
AWS Budgets
Why it's wrong here
AWS Budgets is a monitoring and alerting service that lets you set custom thresholds for cost, usage, or Savings Plans and EC2 Reserved Instances, and it triggers Amazon SNS notifications or automated actions when forecasts or actuals exceed those thresholds. It can even use AWS Budget Actions to stop EC2 instances or apply IAM policies, but it operates on aggregated cost and usage metrics rather than resource-level line items. Budgets never publishes data to Amazon S3; it only consumes existing cost data to drive alerts, so it cannot serve as the recurring export pipeline needed for custom BI analysis.
- ✓
AWS Cost and Usage Reports
Why this is correct
AWS Cost and Usage Reports (CUR) publishes the most granular cost and usage data, including resource-level details, to an S3 bucket in CSV format on a daily basis. This data can be ingested by third-party BI tools for custom analysis.
- ✗
AWS Trusted Advisor
Why it's wrong here
AWS Trusted Advisor is an advisory service that inspects your environment against AWS best practices and produces recommendations across categories like cost optimization, security, fault tolerance, service limits, and performance. It can identify idle resources, underutilized Amazon EBS volumes, and reserved instance opportunities, but these insights are presented as recommendations in the console or via the AWS Support API, not as a historical dataset of actual cost and usage. Trusted Advisor does not export any line-item or usage data to S3, so it is fundamentally unsuitable for feeding a third-party BI tool with raw billing information.
When this WOULD be correct
A company wants to identify underutilized Amazon EC2 instances to reduce costs and needs automated recommendations without manual analysis. AWS Trusted Advisor would be the correct service to use.
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.
✓AWS Cost and Usage ReportsCorrect answer▾
Why this is correct
AWS Cost and Usage Reports (CUR) publishes the most granular cost and usage data, including resource-level details, to an S3 bucket in CSV format on a daily basis. This data can be ingested by third-party BI tools for custom analysis.
✗AWS Cost ExplorerWrong answer — click to see why▾
Why this is wrong here
AWS Cost Explorer provides cost and usage data but does not automatically export CSV files to an S3 bucket on a daily basis; it offers an API and console views, not a managed export to S3 without coding.
★ When this WOULD be the correct answer
A company wants to visualize and analyze AWS costs interactively in the AWS Management Console without needing to export data to a third-party BI tool. The question would ask for a service to explore costs and usage trends with built-in filtering and grouping.
Why candidates choose this
Candidates may think Cost Explorer can export data to S3 because it provides detailed cost data, but they overlook that it lacks automatic, code-free CSV export to S3, which is a key requirement in the question.
✗AWS Trusted AdvisorWrong answer — click to see why▾
Why this is wrong here
AWS Trusted Advisor provides recommendations for cost optimization, performance, security, and fault tolerance, but it does not export detailed cost and usage data to S3 for custom analysis with a BI tool.
★ When this WOULD be the correct answer
A company wants to identify underutilized Amazon EC2 instances to reduce costs and needs automated recommendations without manual analysis. AWS Trusted Advisor would be the correct service to use.
Why candidates choose this
Candidates may confuse Trusted Advisor's cost optimization recommendations with the ability to export detailed cost data, assuming it provides the granular data needed for custom BI analysis.
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?”
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
Related to this question
About these practice questions
This CLF-C02 question is part of Courseiva's 988-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
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.