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Network Security, Compliance and GovernanceeasyMultiple ChoiceObjective-mapped

ANS-C01 Network Security, Compliance and Governance Practice Question

Network Topology
$ aws ec2 describe-flow-logsregion us-east-1Refer to the exhibit."FlowLogs": ["FlowLogId": "fl-12345678","ResourceId": "vpc-12345678","TrafficType": "ALL","LogDestinationType": "cloud-watch-logs","LogGroupName": "vpc-flow-logs","DeliverLogsPermissionArn": "arn:aws:iam::123456789012:role/FlowLogsRole"

A network engineer runs the above command and sees that VPC Flow Logs are configured for a VPC. The engineer wants to analyze rejected traffic to troubleshoot a connectivity issue. Which field in the flow log records should they examine?

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

action

The 'action' field in VPC Flow Logs indicates ACCEPT or REJECT. Option A is wrong because 'srcaddr' is source IP. Option C is wrong because 'dstport' is destination port. Option D is wrong because 'protocol' is the protocol number.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • protocol

    Why it's wrong here

    Protocol number, not action.

  • action

    Why this is correct

    Shows whether traffic was accepted or rejected.

  • srcaddr

    Why it's wrong here

    Source address, not action.

  • dstport

    Why it's wrong here

    Destination port, not action.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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.