- A
AWS Budgets
Why wrong: AWS Budgets is used to set spending limits and receive alerts when actual or forecasted usage exceeds those limits. It does not generate upfront cost estimates for planned architectures; it monitors incurred costs.
- B
AWS Cost Explorer
Why wrong: AWS Cost Explorer provides visual tools to analyze historical cost and usage data. It is not designed to estimate costs for future or planned architectures; it works with actual, already accrued data.
- C
AWS Pricing Calculator
The AWS Pricing Calculator is specifically built to create cost estimates for planned AWS usage. Users can configure services, select pricing models, and receive a detailed monthly estimate. Estimates can be saved, shared, and refined without any actual spend.
- D
AWS Cost and Usage Report
Why wrong: The AWS Cost and Usage Report (CUR) is a detailed, downloadable CSV file that contains granular billing data for services already used. It does not provide forward-looking cost estimates.
CLF-C02 Billing, Pricing, and Support Practice Question
This CLF-C02 practice question tests your understanding of billing, pricing, and support. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is planning to migrate a legacy application to AWS. The solutions architect needs to estimate the monthly cost of running Amazon EC2 instances, Amazon RDS databases, and Amazon S3 storage. The architect wants to compare different instance types, storage classes, and pricing models (e.g., On-Demand vs. Reserved Instances) to find the most cost-effective configuration. The team requires a tool that provides a detailed, itemized cost estimate without incurring any actual charges, and allows saving and sharing the estimate with stakeholders. Which AWS tool should the solutions architect use?
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 Pricing Calculator
The AWS Pricing Calculator (formerly AWS Simple Monthly Calculator) is the correct tool because it allows users to build a detailed, itemized cost estimate for AWS services like EC2, RDS, and S3 without incurring any actual charges. It supports comparing different instance types, storage classes, and pricing models (On-Demand vs. Reserved Instances), and provides a shareable link to save and share the estimate with stakeholders.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 Budgets
Why it's wrong here
AWS Budgets is used to set spending limits and receive alerts when actual or forecasted usage exceeds those limits. It does not generate upfront cost estimates for planned architectures; it monitors incurred costs.
- ✗
AWS Cost Explorer
Why it's wrong here
AWS Cost Explorer provides visual tools to analyze historical cost and usage data. It is not designed to estimate costs for future or planned architectures; it works with actual, already accrued data.
- ✓
AWS Pricing Calculator
Why this is correct
The AWS Pricing Calculator is specifically built to create cost estimates for planned AWS usage. Users can configure services, select pricing models, and receive a detailed monthly estimate. Estimates can be saved, shared, and refined without any actual spend.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Cost and Usage Report
Why it's wrong here
The AWS Cost and Usage Report (CUR) is a detailed, downloadable CSV file that contains granular billing data for services already used. It does not provide forward-looking cost estimates.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing tools that analyze past costs (Cost Explorer, Cost and Usage Report) with tools that estimate future costs (Pricing Calculator), leading candidates to pick Cost Explorer because it also shows cost breakdowns, but it cannot model a greenfield migration without historical data.
Detailed technical explanation
How to think about this question
The AWS Pricing Calculator uses a service-specific interface where you select region, instance type, pricing model (e.g., On-Demand, Reserved, Spot), and storage options to compute an estimated monthly bill. It also supports exporting estimates as a CSV or sharing via a unique URL, which is essential for stakeholder review. Under the hood, the calculator queries the same pricing API that powers the AWS Price List API, ensuring estimates reflect current list prices.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Billing, Pricing, and Support — This question tests Billing, Pricing, and Support — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Pricing Calculator — The AWS Pricing Calculator (formerly AWS Simple Monthly Calculator) is the correct tool because it allows users to build a detailed, itemized cost estimate for AWS services like EC2, RDS, and S3 without incurring any actual charges. It supports comparing different instance types, storage classes, and pricing models (On-Demand vs. Reserved Instances), and provides a shareable link to save and share the estimate with stakeholders.
What should I do if I get this CLF-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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.
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