CLF-C02 Billing, Pricing, and Support Practice Question
A company is planning to migrate its on-premises data center to AWS. The finance team needs to compare the current on-premises infrastructure costs (including servers, storage, networking, and personnel) against the projected costs of running identical workloads on AWS over a three-year period. The team wants to input detailed specifications of their existing hardware and get a comprehensive report that highlights potential savings and provides a total cost of ownership (TCO) comparison. Which AWS tool should the finance team use?
⚠ Common exam trap
Watch out — candidates often confuse the AWS Pricing Calculator (for estimating future AWS costs) with the TCO Calculator (for comparing on-premises vs. AWS costs), leading them to select option A instead of the correct C.
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 Total Cost of Ownership (TCO) Calculator
The AWS Total Cost of Ownership (TCO) Calculator is specifically designed to compare the costs of on-premises infrastructure with AWS, allowing users to input detailed hardware specifications (servers, storage, networking) and generate a comprehensive report that highlights potential savings over a chosen period (e.g., three years). This tool directly addresses the finance team's need for a TCO comparison, including personnel costs, which is not a feature of other AWS calculators.
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 Pricing Calculator
Why it's wrong here
The AWS Pricing Calculator is used to estimate the monthly cost of AWS services for new deployments. It does not accept on-premises specifications as input and does not generate a TCO comparison against existing infrastructure.
When this WOULD be correct
A company wants to estimate the monthly cost of running a specific workload on AWS, such as a web application with EC2 instances and RDS databases, before deployment. The AWS Pricing Calculator would be used to input resource specifications and generate a cost estimate.
- ✗
AWS Cost Explorer
Why it's wrong here
AWS Cost Explorer is a cost-management tool for analyzing historical AWS spending and usage trends. It does not accept on-premises infrastructure details (such as server specs, storage, or network capacity) as inputs and cannot model future costs for a planned migration. Its purpose is to visualize and forecast your existing AWS bill, not to compare the TCO of on-premises versus cloud. Therefore, it is incorrect for assessing the total cost of ownership before migration.
When this WOULD be correct
A company has been running workloads on AWS for a year and wants to analyze spending patterns, identify cost drivers, and forecast future costs. The finance team needs to view monthly costs by service or linked account.
- ✓
AWS Total Cost of Ownership (TCO) Calculator
Why this is correct
The AWS TCO Calculator is specifically designed to help organizations compare the costs of running their current on-premises workloads against AWS. It accepts detailed on-premises specifications and produces a comparative TCO report, including potential savings over multiple years.
- ✗
AWS Simple Monthly Calculator
Why it's wrong here
The AWS Simple Monthly Calculator was an earlier tool for estimating AWS service costs but has been replaced by the AWS Pricing Calculator. It is not designed to accept on-premises inputs or perform TCO comparisons.
When this WOULD be correct
A candidate would use the AWS Simple Monthly Calculator when they need a quick, high-level estimate of monthly costs for a few AWS services without requiring detailed on-premises infrastructure input or a full TCO analysis.
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 Total Cost of Ownership (TCO) CalculatorCorrect answer▾
Why this is correct
The AWS TCO Calculator is specifically designed to help organizations compare the costs of running their current on-premises workloads against AWS. It accepts detailed on-premises specifications and produces a comparative TCO report, including potential savings over multiple years.
✗AWS Pricing CalculatorWrong answer — click to see why▾
Why this is wrong here
The AWS Pricing Calculator estimates costs for new AWS architectures but does not compare existing on-premises infrastructure costs or provide a TCO analysis over a three-year period.
★ When this WOULD be the correct answer
A company wants to estimate the monthly cost of running a specific workload on AWS, such as a web application with EC2 instances and RDS databases, before deployment. The AWS Pricing Calculator would be used to input resource specifications and generate a cost estimate.
Why candidates choose this
Candidates may confuse the AWS Pricing Calculator with the TCO Calculator because both involve cost estimation, but the Pricing Calculator focuses on AWS service costs rather than comparing on-premises vs. cloud TCO.
✗AWS Cost ExplorerWrong answer — click to see why▾
Why this is wrong here
AWS Cost Explorer is used for analyzing historical cost and usage data, not for comparing on-premises costs with AWS costs before migration.
★ When this WOULD be the correct answer
A company has been running workloads on AWS for a year and wants to analyze spending patterns, identify cost drivers, and forecast future costs. The finance team needs to view monthly costs by service or linked account.
Why candidates choose this
Candidates may confuse Cost Explorer with a cost comparison tool because its name suggests exploring costs, but it lacks the ability to input on-premises infrastructure details for TCO analysis.
✗AWS Simple Monthly CalculatorWrong answer — click to see why▾
Why this is wrong here
The AWS Simple Monthly Calculator is a legacy tool that provides basic cost estimates for individual AWS services, but it does not accept detailed on-premises hardware specifications or generate a comprehensive TCO comparison report over a multi-year period.
★ When this WOULD be the correct answer
A candidate would use the AWS Simple Monthly Calculator when they need a quick, high-level estimate of monthly costs for a few AWS services without requiring detailed on-premises infrastructure input or a full TCO analysis.
Why candidates choose this
Candidates may confuse it with the AWS Pricing Calculator or TCO Calculator because its name suggests simplicity for cost estimation, and they might not be aware that it has been replaced by the AWS Pricing Calculator for most use cases.
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 |
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About these practice questions
Courseiva writes every CLF-C02 question from scratch — 988 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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.