CV0-004 Operations and Support Practice Question
A cloud administrator is troubleshooting a network connectivity issue between two subnets. They suspect a security group or NACL is blocking traffic. Which tool should they use to analyze the traffic flow?
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
✓
VPC Flow Logs
VPC Flow Logs capture network traffic metadata, helping identify dropped packets.
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 X-Ray
Why it's wrong here
X-Ray traces application requests, not network flows.
- ✗
AWS CloudTrail
Why it's wrong here
CloudTrail logs API calls, not network traffic.
- ✗
AWS Config
Why it's wrong here
Config tracks resource configuration, not traffic.
- ✓
VPC Flow Logs
Why this is correct
Flow logs record allowed/denied traffic for analysis.
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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.