Question 17 of 1,621
ANS-C01 Network Security, Compliance and Governance Practice Question
A company wants to audit all network traffic to and from an EC2 instance for compliance. The security team needs to capture full packet contents, including headers and payload, and store them in Amazon S3 for analysis. Which AWS service should they use?
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
✓
Traffic Mirroring
(Traffic Mirroring) is correct because it captures full packets, including headers and payload, and can be used to send the captured traffic to an S3 bucket via a Network Load Balancer or a monitoring appliance. Option A is incorrect because Amazon CloudWatch Logs with the EC2 agent can only capture log files, not network packets. Option C is incorrect because AWS Config records configuration changes, not traffic. Option D is incorrect because VPC Flow Logs capture metadata (IP addresses, ports, protocols) but not the full packet contents.
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 CloudWatch Logs with the EC2 agent
Why it's wrong here
Captures logs, not packets.
- ✓
Traffic Mirroring
Why this is correct
Captures full packet contents.
- ✗
AWS Config
Why it's wrong here
Tracks configuration changes.
- ✗
VPC Flow Logs
Why it's wrong here
Captures metadata only.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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Last reviewed: Jun 20, 2026
This ANS-C01 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 ANS-C01 exam.
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