CLF-C02 Cloud Technology and Services Practice Question
A company wants an automated tool that analyses their AWS account and provides recommendations across five categories: cost optimisation, performance, security, fault tolerance, and service limits. Which AWS service provides this analysis?
⚠ Common exam trap
A common mix-up: candidates confuse AWS Trusted Advisor with AWS Config or Amazon Inspector, because they all involve analysis or checks, but only Trusted Advisor provides the specific five-category recommendation framework described 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 service because it is specifically designed to analyze an AWS account and provide recommendations across the five categories listed: cost optimization, performance, security, fault tolerance, and service limits. It evaluates resources against AWS best practices and offers actionable guidance, making it the only service that covers all these domains in a single, automated tool.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon Inspector
Why it's wrong here
Amazon Inspector is a vulnerability management service that scans workloads for software vulnerabilities and unintended network exposure, focusing on EC2 instances, container images, and Lambda functions. It does not provide the broad five-category best-practice analysis across cost, performance, fault tolerance, security, and service quotas that the question describes. While Inspector is essential for security-specific assessments, it lacks the cross-cutting advisory scope of Trusted Advisor.
- ✗
AWS Config
Why it's wrong here
AWS Config records resource configuration changes, maintains a configuration history, and lets you evaluate those configurations against custom or managed rules for compliance. It can detect drift and enforce desired state, but it does not produce the proactive, cross-category cost, performance, or fault-tolerance recommendations that Trusted Advisor offers. Its focus is configuration governance and auditing, not broad best-practice advisement across multiple dimensions.
- ✓
AWS Trusted Advisor
Why this is correct
AWS Trusted Advisor continuously inspects your AWS environment against established best practices and generates recommendations across five pillars: cost optimization, performance, security, fault tolerance, and service quotas. It evaluates resources like idle load balancers, underutilized EBS volumes, and overly permissive security group rules, with the number of available checks depending on your support tier (Basic, Business, or Enterprise). This holistic analysis of cost and security checks in a single dashboard makes it the correct answer.
- ✗
Amazon CloudWatch
Why it's wrong here
Amazon CloudWatch is a monitoring and observability service that collects metrics, logs, and events from AWS resources and applications, enabling dashboards, alarms, and automated actions. It is ideal for operational monitoring, alerting, and tracing, but it is not designed to analyze an entire account against cost, security, performance, fault tolerance, or service limits as a set of best-practice checks. Therefore, it cannot replace the advisory recommendations provided by Trusted Advisor.
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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.