The answer is the AWS Pricing Calculator. This tool is correct because it is specifically designed to compare the cost of running workloads on AWS versus on-premises environments, allowing you to input your current infrastructure details—such as server specifications, storage, and network usage—to generate a detailed cost comparison and estimate potential savings. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your understanding of cost management tools, and a common trap is confusing the AWS Pricing Calculator with the AWS Simple Monthly Calculator or AWS Cost Explorer; remember that only the Pricing Calculator (formerly the TCO Calculator) handles the direct on-premises versus AWS comparison. For a memory tip, think of “Pricing” as “Price vs. Premises”—if the question asks about comparing to on-premises, the answer is always the AWS Pricing Calculator.
CLF-C02 Billing, Pricing, and Support Practice Question
This CLF-C02 practice question tests your understanding of billing, pricing, and support. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 considering AWS for their new application. Which tool allows them to compare the cost of running their workloads on AWS versus on-premises, and estimate the potential savings?
Why wrong: Cost Explorer analyzes actual historical AWS spending — it requires existing AWS usage and can't compare hypothetical on-premises vs. cloud costs.
B
AWS Pricing Calculator
AWS Pricing Calculator estimates costs for AWS architectures and supports TCO analysis comparing on-premises infrastructure costs versus AWS cloud costs for migration business cases.
C
AWS Budgets
Why wrong: Budgets monitor actual spending against thresholds — they don't estimate or compare hypothetical costs between on-premises and cloud.
D
AWS Trusted Advisor
Why wrong: Trusted Advisor analyzes existing AWS resources for optimization — it doesn't compare AWS vs. on-premises costs.
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
AWS Pricing Calculator (formerly TCO Calculator) is specifically designed to compare the cost of running workloads on AWS versus on-premises environments. It allows users to input their current on-premises infrastructure details (such as server specifications, storage, and network usage) and generates a detailed cost comparison, including estimated savings from migrating to AWS. This directly matches the question's requirement for comparing costs and estimating potential savings.
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 Cost Explorer
Why it's wrong here
Cost Explorer analyzes actual historical AWS spending — it requires existing AWS usage and can't compare hypothetical on-premises vs. cloud costs.
✓
AWS Pricing Calculator
Why this is correct
AWS Pricing Calculator estimates costs for AWS architectures and supports TCO analysis comparing on-premises infrastructure costs versus AWS cloud costs for migration business cases.
Related concept
Read the scenario before looking for a memorised answer.
✗
AWS Budgets
Why it's wrong here
Budgets monitor actual spending against thresholds — they don't estimate or compare hypothetical costs between on-premises and cloud.
✗
AWS Trusted Advisor
Why it's wrong here
Trusted Advisor analyzes existing AWS resources for optimization — it doesn't compare AWS vs. on-premises costs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Cost Explorer (which shows historical AWS spending) with the AWS Pricing Calculator (which is used for upfront cost comparison and estimation before migration), leading them to select Cost Explorer incorrectly.
Detailed technical explanation
How to think about this question
The AWS Pricing Calculator uses a detailed questionnaire to capture on-premises server specifications (e.g., CPU, RAM, storage type, network throughput) and maps them to equivalent AWS instance types and services. It then applies AWS pricing models (On-Demand, Reserved Instances, Savings Plans) to compute the AWS cost, while also factoring in on-premises costs like electricity, cooling, and labor. This tool is essential for building a business case for migration, as it provides a granular cost breakdown and identifies potential savings over a specified time period.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CLF-C02 question in full detail.
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 — AWS Pricing Calculator (formerly TCO Calculator) is specifically designed to compare the cost of running workloads on AWS versus on-premises environments. It allows users to input their current on-premises infrastructure details (such as server specifications, storage, and network usage) and generates a detailed cost comparison, including estimated savings from migrating to AWS. This directly matches the question's requirement for comparing costs and estimating potential savings.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which tool allows a company to estimate the monthly cost of running a new AWS architecture before deploying any resources?
medium
A.AWS Cost Explorer
✓ B.AWS Pricing Calculator
C.AWS Budgets
D.AWS Trusted Advisor
Why B: The AWS Pricing Calculator (formerly Simple Monthly Calculator) allows users to estimate the monthly cost of AWS services by configuring resources like EC2 instances, storage, and data transfer before deployment. It provides a detailed cost breakdown based on selected regions, instance types, and usage patterns, enabling informed budgeting without incurring actual charges.
Variation 2. A startup is planning a new web application on AWS. The architecture will use Amazon EC2 for compute, Amazon RDS for the database, and Amazon S3 for static assets. The team needs to estimate the monthly cost of running this application before building it. They want to compare costs across different instance types, regions, and pricing models (On-Demand vs. Reserved Instances), and they also need to account for data transfer costs. Which AWS tool should the team use to create this estimate?
medium
A.AWS Cost Explorer
B.AWS Total Cost of Ownership (TCO) Calculator
C.AWS Budgets
✓ D.AWS Pricing Calculator
Why D: AWS Pricing Calculator (formerly AWS Simple Monthly Calculator) is the correct tool because it allows users to estimate monthly costs by selecting specific EC2 instance types, RDS configurations, S3 storage classes, and data transfer volumes. It supports comparing On-Demand vs. Reserved Instance pricing across different regions, making it ideal for pre-build cost estimation.
Last reviewed: Jun 11, 2026
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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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