CLF-C02 Billing, Pricing, and Support Practice Question
Which AWS tool provides recommendations to help reduce costs, improve performance, enhance security, and increase fault tolerance?
⚠ Common exam trap
A common mix-up: candidates confuse AWS Cost Explorer or AWS Compute Optimizer as the answer because they associate cost reduction and performance improvement with those tools, but they fail to recognize that only Trusted Advisor also addresses security and fault tolerance, which are explicitly mentioned in the question.
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 Trusted Advisor
AWS Trusted Advisor is the correct answer because it provides real-time guidance and recommendations across five categories: cost optimization, performance, security, fault tolerance, and service limits. It evaluates your AWS environment against AWS best practices and generates actionable recommendations to reduce costs, improve performance, enhance security, and increase fault tolerance. This makes it the only tool among the options that covers all four areas mentioned in the question.
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 visualization and analytics service that lets you query and graph your historical and current AWS spending and usage across accounts, services, and time ranges. It does not include an automated recommendation engine, so while it helps you identify cost patterns and anomalies, it cannot proactively suggest best practice improvements across multiple categories. Its role is observational, not prescriptive.
- ✓
AWS Trusted Advisor
Why this is correct
AWS Trusted Advisor is an advisory service that inspects your AWS environment and provides real-time recommendations against five pillars: cost optimization, performance, security, fault tolerance, and service limits. It continuously evaluates your resources against AWS best practices and offers actionable guidance, such as idle resource detection, security group exposure, and service quota usage. This broad, multi-category coverage makes it the correct answer for best practice recommendations.
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AWS Budgets
Why it's wrong here
AWS Budgets is a cost management tool that lets you set custom cost and usage budgets and receive alerts when your actual or forecasted spend exceeds thresholds. It is reactive—it notifies you after a threshold is crossed—and it does not analyze your resource configuration or provide best practice recommendations. Budgets focuses on spend monitoring and alerting, not on improvement guidance.
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AWS Compute Optimizer
Why it's wrong here
AWS Compute Optimizer is a machine learning–based service that analyzes your compute resource configurations and utilization to recommend optimal EC2 instance types, Auto Scaling group settings, and Amazon EBS volumes. Its scope is limited to compute resources, whereas best practice recommendations in the CLF-C02 exam context typically span security, cost, performance, fault tolerance, and service limits. It is a specialized tool, not a comprehensive best practice advisor.
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This CLF-C02 question is part of Courseiva's 988-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.