← CLF-C02·Amazon Web Services

Question 998 of 1,024

Billing, Pricing, and Support →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is AWS Budgets. This service allows you to set a monthly spending limit for your application and configure cost alerts that trigger when actual or forecasted costs exceed a specified threshold, such as 80% of the limit. Crucially, AWS Budgets integrates with AWS Actions to automatically stop non-critical EC2 instances when the budget limit is exceeded, meeting both the alert and automated remediation requirements. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your understanding of cost management services and their automation capabilities; a common trap is confusing AWS Budgets with AWS Cost Explorer, which only provides visualization and analysis, not automated actions. Remember the memory tip: Budgets can both “Bark” (alert) and “Bite” (auto-stop), while Cost Explorer only shows the picture.

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. A key principle to apply: aWS Budgets allows setting custom cost or usage budgets.. 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 runs a web application on Amazon EC2 instances. The finance team wants to set a monthly spending limit for the application and receive email alerts when the actual cost exceeds 80% of that limit. Additionally, they want the system to automatically stop non-critical EC2 instances if the cost exceeds the limit. Which AWS service should they use to meet these requirements?

Question 1mediummultiple choice

Full question →

A
AWS Cost Explorer
Why wrong: AWS Cost Explorer is a tool for visualizing, understanding, and managing AWS costs and usage over time. It does not provide the ability to set budget thresholds, send email alerts when costs exceed a limit, or automatically stop resources.
B
AWS Budgets
AWS Budgets enables you to set custom budgets (e.g., monthly spending limits) and receive alerts when your actual or forecasted costs exceed defined thresholds. With budget actions, you can also automate responses such as stopping EC2 instances when a budget is exceeded. This directly meets both requirements.
C
AWS Trusted Advisor
Why wrong: AWS Trusted Advisor inspects your AWS environment and provides recommendations to help you follow best practices in cost optimization, performance, security, and fault tolerance. It does not allow you to set spending limits, configure email alerts based on cost thresholds, or take automated actions like stopping instances.
D
AWS Pricing Calculator
Why wrong: The AWS Pricing Calculator is used to estimate the cost of AWS services before you build or migrate workloads. It does not track actual costs, send alerts, or automate resource actions based on spending.

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 Budgets

AWS Budgets allows you to set a monthly spending limit (budget) and configure cost alerts that trigger when actual or forecasted costs exceed a specified threshold (e.g., 80% of the limit). It also integrates with AWS Actions to automatically stop non-critical EC2 instances when the budget limit is exceeded, meeting both the alert and automated remediation requirements.

Key principle: AWS Budgets allows setting custom cost or usage budgets.

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
AWS Cost Explorer is a tool for visualizing, understanding, and managing AWS costs and usage over time. It does not provide the ability to set budget thresholds, send email alerts when costs exceed a limit, or automatically stop resources.
✓
AWS Budgets
Why this is correct
AWS Budgets enables you to set custom budgets (e.g., monthly spending limits) and receive alerts when your actual or forecasted costs exceed defined thresholds. With budget actions, you can also automate responses such as stopping EC2 instances when a budget is exceeded. This directly meets both requirements.
Related concept
AWS Budgets allows setting custom cost or usage budgets.
✗
AWS Trusted Advisor
Why it's wrong here
AWS Trusted Advisor inspects your AWS environment and provides recommendations to help you follow best practices in cost optimization, performance, security, and fault tolerance. It does not allow you to set spending limits, configure email alerts based on cost thresholds, or take automated actions like stopping instances.
✗
AWS Pricing Calculator
Why it's wrong here
The AWS Pricing Calculator is used to estimate the cost of AWS services before you build or migrate workloads. It does not track actual costs, send alerts, or automate resource actions based on spending.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse AWS Cost Explorer's forecasting capabilities with the ability to set budgets and trigger automated actions, but Cost Explorer is read-only and lacks alerting and remediation features.

Detailed technical explanation

How to think about this question

AWS Budgets uses a budget action feature that can be configured to run an AWS Systems Manager Automation document or a Lambda function to stop EC2 instances when the budget threshold is breached. The alert is delivered via Amazon SNS, which can send emails or trigger further workflows. Under the hood, Budgets evaluates cost data from AWS Cost and Usage Reports every 6–24 hours, so actions are not instantaneous but sufficient for monthly limit enforcement.

KKey Concepts to Remember

AWS Budgets allows setting custom cost or usage budgets.
Budgets can send alerts via email, SNS, or Chatbot when thresholds are met.
Budget actions enable automated responses like stopping EC2 instances.
Budgets can be applied to specific services, tags, or linked accounts.

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

AWS Budgets allows setting custom cost or usage budgets.

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.

Review aWS Budgets allows setting custom cost or usage budgets., then practise related CLF-C02 questions on the same topic to reinforce the concept.

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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 — AWS Budgets allows setting custom cost or usage budgets..

What is the correct answer to this question?

The correct answer is: AWS Budgets — AWS Budgets allows you to set a monthly spending limit (budget) and configure cost alerts that trigger when actual or forecasted costs exceed a specified threshold (e.g., 80% of the limit). It also integrates with AWS Actions to automatically stop non-critical EC2 instances when the budget limit is exceeded, meeting both the alert and automated remediation requirements.

What should I do if I get this CLF-C02 question wrong?

Review aWS Budgets allows setting custom cost or usage budgets., then practise related CLF-C02 questions on the same topic to reinforce the concept.

What is the key concept behind this question?

AWS Budgets allows setting custom cost or usage budgets.

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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 company runs a batch processing workload on Amazon EC2 instances. The finance team has set a monthly budget of $10,000 for this workload. They want to automatically stop the batch processing instances if the accumulated costs for the month exceed $8,000, to prevent overspending. The company needs a native AWS solution that can monitor the costs and take corrective action automatically. Which AWS feature should the company use to meet these requirements?

medium

✓ A.AWS Budgets with budget actions configured to stop EC2 instances
B.AWS Cost Explorer with a custom cost threshold report
C.AWS Trusted Advisor with a cost optimization check
D.AWS Organizations with a service control policy (SCP)

Why A: AWS Budgets allows you to set a cost budget of $8,000 and attach a budget action that triggers an AWS Systems Manager (SSM) automation document to stop EC2 instances when actual or forecasted costs exceed the threshold. This provides a native, automated, and serverless solution to enforce cost controls without manual intervention.

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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.