CV0-004 Operations and Support Practice Question
A cloud engineer is troubleshooting a performance issue in a multi-tier application on AWS. The web tier shows high latency, but the application logs indicate no errors. The engineer wants to trace a request end-to-end across services. Which AWS service should be used?
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 X-Ray
AWS X-Ray provides distributed tracing, allowing you to trace requests as they travel through your application and identify performance bottlenecks.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
VPC Flow Logs
Why it's wrong here
VPC Flow Logs capture network traffic metadata but not application-level traces.
- ✗
Amazon CloudWatch Logs
Why it's wrong here
CloudWatch Logs aggregates logs but does not trace requests across services.
- ✗
AWS CloudTrail
Why it's wrong here
CloudTrail records API calls, not application-level tracing.
- ✓
AWS X-Ray
Why this is correct
X-Ray provides end-to-end tracing to analyze and debug distributed applications.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.