CLF-C02 Billing, Pricing, and Support Practice Question
A startup wants to receive alerts when their AWS spending approaches a set threshold. Which AWS service should they use?
⚠ Common exam trap
Watch out — candidates often confuse AWS Cost Explorer's ability to view cost trends with the proactive alerting capability of AWS Budgets, assuming that a visualization tool can also send notifications, but AWS Budgets is the only service that provides configurable threshold-based alerts.
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 custom cost and usage budgets and receive alerts when your actual or forecasted spending exceeds (or is forecasted to exceed) the budgeted amount. For this startup, they can configure a cost budget with a threshold (e.g., 80% of the set amount) and have Amazon SNS send notifications via email or SMS when spending approaches that threshold.
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 visual analytics tool for exploring historical cost and usage data, with forecasting capabilities for estimated future spend. It provides interactive graphs and filtering but does not proactively evaluate thresholds or send out alerts when spending approaches a limit. To automate notifications, you must configure an AWS Budget or a CloudWatch alarm, not rely on Cost Explorer itself.
- ✗
AWS Billing Dashboard
Why it's wrong here
The AWS Billing Dashboard displays current month-to-date charges and account balance, giving a high-level financial snapshot through the console. However, it is a passive reporting surface—it does not track cost thresholds in real time and cannot emit email or SNS notifications when spending approaches a limit. Proactive threshold-based alerts require a separate service such as AWS Budgets, which is why the dashboard alone cannot satisfy the requirement.
- ✓
AWS Budgets
Why this is correct
AWS Budgets is purpose-built for setting custom cost and usage budgets, then alerting when actual or forecasted spending reaches a defined percentage of that budget. It monitors your account's financial thresholds continuously and can send notifications via Amazon SNS, email, or even trigger automated responses like blocking actions. For the scenario of receiving an alert when charges approach a threshold, AWS Budgets is the correct service because it combines both monitoring and alerting.
- ✗
AWS Trusted Advisor
Why it's wrong here
AWS Trusted Advisor is an account-level assessment tool that evaluates your infrastructure against AWS best-practice checks for cost optimization, performance, security, and fault tolerance. Its cost-related findings focus on opportunities like idle resources or reserved-instance usage, not on user-defined spending thresholds. Trusted Advisor does not monitor your live invoice in real time or dispatch threshold-based alerts, so it would not notify you as your monthly charges approach a budget limit.
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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.