Quick Answer
The answer is Transit Gateway Flow Logs, VPC Flow Logs, and third-party appliances. These three services are correct because Transit Gateway Flow Logs capture traffic at the transit gateway level between VPC attachments, VPC Flow Logs capture traffic at the VPC network interface level, and third-party appliances (such as virtual firewalls or packet inspection tools) can be deployed in a VPC to analyze all traffic routed through the Transit Gateway. On the AWS Certified Advanced Networking Specialty ANS-C01 exam, this question tests your understanding of the layered monitoring options available when VPCs are connected via a Transit Gateway, often appearing as a multi-select trap where CloudTrail (API logging) and AWS Config (configuration tracking) are plausible distractors. A key memory tip: think “flow” for network traffic—if it doesn’t capture packets or metadata at the network layer, it’s not the right tool.
This ANS-C01 practice question tests your understanding of network management and operations. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company wants to monitor network traffic between two VPCs connected via a Transit Gateway. Which THREE AWS services can be used to capture and analyze this traffic?
VPC Flow Logs
Captures IP traffic for VPCs.
AWS Config
Why wrong: Tracks configuration changes.
Third-party network monitoring appliance deployed in a VPC
Can capture traffic via mirroring.
Transit Gateway Flow Logs
Captures traffic through Transit Gateway.
AWS CloudTrail
Why wrong: Logs API calls, not network traffic.
Answer choices
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
Options A, B, and E are correct because VPC Flow Logs, Transit Gateway Flow Logs, and third-party appliances can capture traffic. Option C is incorrect because CloudTrail logs API calls. Option D is incorrect because AWS Config records configuration changes.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
VPC Flow Logs
Why this is correct
Captures IP traffic for VPCs.
Related concept
Read the scenario before looking for a memorised answer.
AWS Config
Why it's wrong here
Tracks configuration changes.
Third-party network monitoring appliance deployed in a VPC
Why this is correct
Can capture traffic via mirroring.
Related concept
Read the scenario before looking for a memorised answer.
Transit Gateway Flow Logs
Why this is correct
Captures traffic through Transit Gateway.
Related concept
Read the scenario before looking for a memorised answer.
AWS CloudTrail
Why it's wrong here
Logs API calls, not network traffic.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Network Management and Operations — This question tests Network Management and Operations — Read the scenario before looking for a memorised answer..
The correct answer is: VPC Flow Logs — Options A, B, and E are correct because VPC Flow Logs, Transit Gateway Flow Logs, and third-party appliances can capture traffic. Option C is incorrect because CloudTrail logs API calls. Option D is incorrect because AWS Config records configuration changes.
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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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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