ANS-C01 Network Security, Compliance and Governance Practice Question
This ANS-C01 practice question tests your understanding of network security, compliance and governance. 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 uses AWS Transit Gateway to connect multiple VPCs and on-premises networks. They need to ensure that traffic between VPCs is inspected by a security appliance in a centralized inspection VPC. How should they configure the Transit Gateway route tables?
Create a route table for the inspection VPC and add blackhole routes for all other VPCs
Why wrong: Blackhole routes drop traffic.
B
Use one route table with all VPC attachments and enable route propagation for all attachments
Why wrong: This would allow direct communication between VPCs without inspection.
C
Create separate route tables for each VPC and add a static route to the inspection VPC
Why wrong: This would only send traffic destined to the inspection VPC, not inter-VPC traffic.
D
Associate all VPCs with a single route table that has a default route pointing to the inspection VPC attachment, and enable route propagation from the inspection VPC
This forces inter-VPC traffic to go through the inspection VPC.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Associate all VPCs with a single route table that has a default route pointing to the inspection VPC attachment, and enable route propagation from the inspection VPC
Option D is correct because using separate route tables for each VPC with a blackhole route pointing to the inspection VPC is not standard; the correct approach is to have a shared route table that propagates routes and uses a static route to the inspection VPC. Option D is correct: associate all VPCs with a single route table that has a default route pointing to the inspection VPC's attachment, and enable route propagation from the inspection VPC. Option A is wrong because it does not force traffic through the inspection VPC. Option B is wrong because it only inspects traffic from one VPC. Option C is wrong because a blackhole route drops traffic.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Create a route table for the inspection VPC and add blackhole routes for all other VPCs
Why it's wrong here
Blackhole routes drop traffic.
✗
Use one route table with all VPC attachments and enable route propagation for all attachments
Why it's wrong here
This would allow direct communication between VPCs without inspection.
✗
Create separate route tables for each VPC and add a static route to the inspection VPC
Why it's wrong here
This would only send traffic destined to the inspection VPC, not inter-VPC traffic.
✓
Associate all VPCs with a single route table that has a default route pointing to the inspection VPC attachment, and enable route propagation from the inspection VPC
Why this is correct
This forces inter-VPC traffic to go through the inspection VPC.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
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
How to think about this question
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.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
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.
Network Security, Compliance and Governance — This question tests Network Security, Compliance and Governance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Associate all VPCs with a single route table that has a default route pointing to the inspection VPC attachment, and enable route propagation from the inspection VPC — Option D is correct because using separate route tables for each VPC with a blackhole route pointing to the inspection VPC is not standard; the correct approach is to have a shared route table that propagates routes and uses a static route to the inspection VPC. Option D is correct: associate all VPCs with a single route table that has a default route pointing to the inspection VPC's attachment, and enable route propagation from the inspection VPC. Option A is wrong because it does not force traffic through the inspection VPC. Option B is wrong because it only inspects traffic from one VPC. Option C is wrong because a blackhole route drops traffic.
What should I do if I get this ANS-C01 question wrong?
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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