← CLF-C02·Amazon Web Services

Question 959 of 1,024

Billing, Pricing, and Support →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is the AWS Pricing Calculator. This tool is specifically designed to estimate monthly costs for individual AWS resources like EC2 instances, RDS databases, and Application Load Balancers, allowing you to compare different purchasing options such as On-Demand, 1-year All Upfront Reserved Instances, and Compute Savings Plans. By inputting exact instance types, quantities, and commitment terms, it generates a detailed first-year cost projection, which is exactly what the architect needs. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your ability to distinguish between planning tools: the Pricing Calculator is for upfront cost estimation before resources are deployed, while AWS Cost Explorer analyzes historical spending after resources are running. A common trap is confusing the two, but remember that Cost Explorer looks backward at past bills, whereas the Pricing Calculator looks forward at future estimates. Memory tip: “Calculator for the crystal ball, Cost Explorer for the rearview mirror.”

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 solutions architect is planning a new web application on AWS. The workload will include 3 Amazon EC2 instances (t3.medium) running 24/7, an Application Load Balancer, and an Amazon RDS for MySQL db.t3.small database. The architect needs to estimate the monthly cost for the first year, considering different purchasing options (On-Demand, 1-year All Upfront Reserved Instance, and Compute Savings Plan). Which AWS tool should the architect use to create this estimate?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

Question 1mediummultiple choice

Full question →

A
AWS Total Cost of Ownership (TCO) Calculator
Why wrong: The TCO Calculator is designed to compare on-premises infrastructure costs with AWS costs. It is not intended to estimate costs for a new AWS-only deployment with specific pricing options like Reserved Instances or Savings Plans.
B
AWS Pricing Calculator
The AWS Pricing Calculator is the correct tool. It enables you to estimate AWS service costs before deployment, supporting various services, configurations, regions, and purchasing options (On-Demand, Reserved, Savings Plans).
C
AWS Cost Explorer
Why wrong: AWS Cost Explorer analyzes historical cost and usage data. It cannot be used to estimate future costs of a not-yet-deployed architecture; it only works with existing data.
D
AWS Budgets
Why wrong: AWS Budgets allows you to set spending thresholds and receive alerts or take actions when costs exceed a budget. It does not provide a cost estimation interface for new resources.

Full breakdown with real-world context →

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 Simple Monthly Calculator) is the correct tool for estimating monthly costs for specific AWS resources like EC2 instances, ALB, and RDS under different purchasing options (On-Demand, Reserved Instances, Savings Plans). It allows you to input exact instance types, quantities, and commitment terms to generate a detailed cost estimate for the first year.

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 Total Cost of Ownership (TCO) Calculator
Why it's wrong here
The TCO Calculator is designed to compare on-premises infrastructure costs with AWS costs. It is not intended to estimate costs for a new AWS-only deployment with specific pricing options like Reserved Instances or Savings Plans.
✓
AWS Pricing Calculator
Why this is correct
The AWS Pricing Calculator is the correct tool. It enables you to estimate AWS service costs before deployment, supporting various services, configurations, regions, and purchasing options (On-Demand, Reserved, Savings Plans).
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
AWS Cost Explorer
Why it's wrong here
AWS Cost Explorer analyzes historical cost and usage data. It cannot be used to estimate future costs of a not-yet-deployed architecture; it only works with existing data.
✗
AWS Budgets
Why it's wrong here
AWS Budgets allows you to set spending thresholds and receive alerts or take actions when costs exceed a budget. It does not provide a cost estimation interface for new resources.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates confuse the AWS Pricing Calculator (for future estimates) with AWS Cost Explorer (for past analysis) or the TCO Calculator (for on-premises comparison), leading them to select a tool that cannot generate a forward-looking cost estimate for a planned workload.

Detailed technical explanation

How to think about this question

The AWS Pricing Calculator uses real-time pricing data from the AWS Price List API and applies discounts for Reserved Instances (e.g., 1-year All Upfront) and Compute Savings Plans based on commitment level and payment option. It also accounts for regional pricing variations, data transfer costs, and additional charges like EBS volumes or RDS storage, providing a granular breakdown that includes upfront and recurring monthly costs.

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.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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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 Simple Monthly Calculator) is the correct tool for estimating monthly costs for specific AWS resources like EC2 instances, ALB, and RDS under different purchasing options (On-Demand, Reserved Instances, Savings Plans). It allows you to input exact instance types, quantities, and commitment terms to generate a detailed cost estimate for the first year.

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.

Are there clue words in this question I should notice?

Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

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Same concept, more angles

1 more ways this is tested on CLF-C02

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. A startup is designing a new application on AWS. They have selected specific Amazon EC2 instance types, Amazon EBS volumes, and estimated data transfer. The team wants to compare the monthly cost of running the application using On-Demand instances versus 1-year All Upfront Reserved Instances before they commit to any resources. Which AWS tool should they use to generate this cost estimate?

medium

A.AWS Cost Explorer
B.AWS Budgets
✓ C.AWS Pricing Calculator
D.AWS Trusted Advisor

Why C: AWS Pricing Calculator (option C) is the correct tool because it allows users to estimate the monthly cost of AWS services, including EC2 instances, EBS volumes, and data transfer, before deployment. It supports comparing pricing models such as On-Demand and 1-year All Upfront Reserved Instances by letting you input specific instance types, storage, and transfer details to generate a detailed cost breakdown. This matches the startup's need to compare costs without committing to resources.

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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.