CLF-C02 Billing, Pricing, and Support Practice Question
A company currently runs its infrastructure in a colocation data center. The CIO wants to estimate the total cost of ownership (TCO) of migrating the existing workload to AWS, compared to continuing with the on-premises solution. The company has detailed data on current server specifications, power, cooling, and labor costs. Which AWS tool should the company use to perform this analysis?
⚠ Common exam trap
It's easy for candidates to confuse the AWS Pricing Calculator (which only estimates AWS service costs) with the TCO Calculator (which performs a full on-premises vs. AWS cost comparison), leading them to select the wrong tool for a migration TCO analysis.
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 running infrastructure on-premises versus on AWS. It allows you to input detailed data on server specifications, power, cooling, and labor costs to generate a side-by-side TCO comparison, which directly meets the CIO's requirement.
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 a service-estimation tool where you configure a desired AWS architecture—choosing EC2 instances, RDS databases, EBS volumes, data transfer, and other resources—to derive an estimated monthly bill. It does not accept any current colocation or on-premises asset data such as utilization rates, rack space, power draw, or administrative hours, nor does it factor in the cost of physically running servers. Its output is the forecasted AWS bill, not a total cost comparison between the existing data center and AWS.
When this WOULD be correct
A company is planning a new cloud architecture and needs to estimate the monthly cost of specific AWS services (e.g., EC2, S3) based on usage assumptions. The Pricing Calculator would be the correct tool for this upfront cost estimation.
- ✓
AWS Total Cost of Ownership (TCO) Calculator
Why this is correct
The AWS TCO Calculator is specifically designed to compare the total cost of ownership between on-premises infrastructure and AWS. It incorporates inputs such as server specs, power, cooling, and labor to produce a side-by-side cost comparison.
- ✗
AWS Cost Explorer
Why it's wrong here
AWS Cost Explorer provides visual dashboards and filtered reporting over historical AWS cost and usage data, with forecasting based on those trends. It works from AWS Cost and Usage Report data, so it has no source of inputs for existing on-premises hardware, real estate, utilities, or administrators. For a colocation TCO study, Cost Explorer would be used only after migration to monitor the actual AWS bill, not to judge the decision itself.
When this WOULD be correct
A company already running workloads on AWS wants to analyze its past spending patterns, identify cost drivers, and forecast future costs. The question would ask for a tool to view and explore AWS cost and usage data over time.
- ✗
AWS Budgets
Why it's wrong here
AWS Budgets lets users define custom cost and usage budgets, with actions like Amazon SNS alerts or IAM/user permissions, and can track actuals versus forecasted spend. Its scope is strictly AWS payer account data, so it has no mechanism to ingest colocation facility invoices, server depreciation schedules, cooling/power consumption, or data center labor costs. Therefore it is a spend-control mechanism post-migration, not a TCO comparison tool for migration planning.
When this WOULD be correct
A company wants to set a monthly cost limit for its AWS account and receive notifications when spending approaches or exceeds that limit, to avoid unexpected charges.
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 compare the total cost of ownership between on-premises infrastructure and AWS. It incorporates inputs such as server specs, power, cooling, and labor to produce a side-by-side cost comparison.
✗AWS Pricing CalculatorWrong answer — click to see why▾
Why this is wrong here
AWS Pricing Calculator estimates costs for new AWS deployments, but does not compare existing on-premises costs against AWS migration. The question specifically requires a TCO comparison, which is the purpose of the TCO Calculator.
★ When this WOULD be the correct answer
A company is planning a new cloud architecture and needs to estimate the monthly cost of specific AWS services (e.g., EC2, S3) based on usage assumptions. The Pricing Calculator would be the correct tool for this upfront cost estimation.
Why candidates choose this
Candidates may confuse 'pricing' with 'cost comparison' and assume any cost estimation tool works, not realizing the TCO Calculator is specialized for comparing on-premises vs. cloud costs.
✗AWS Cost ExplorerWrong answer — click to see why▾
Why this is wrong here
AWS Cost Explorer is used for visualizing and analyzing historical AWS costs and usage, not for comparing on-premises TCO with AWS migration costs.
★ When this WOULD be the correct answer
A company already running workloads on AWS wants to analyze its past spending patterns, identify cost drivers, and forecast future costs. The question would ask for a tool to view and explore AWS cost and usage data over time.
Why candidates choose this
Candidates may confuse 'cost analysis' with TCO analysis, assuming Cost Explorer can compare on-premises vs. cloud costs, but it only handles AWS cost data.
✗AWS BudgetsWrong answer — click to see why▾
Why this is wrong here
AWS Budgets is used to set custom spending limits and receive alerts when costs exceed thresholds, not for estimating TCO or comparing on-premises vs. cloud costs.
★ When this WOULD be the correct answer
A company wants to set a monthly cost limit for its AWS account and receive notifications when spending approaches or exceeds that limit, to avoid unexpected charges.
Why candidates choose this
Candidates may confuse budgeting with cost estimation, thinking that a tool named 'Budgets' could help calculate future costs, but its purpose is monitoring and alerting, not upfront TCO 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?”
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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.