This ANS-C01 practice question tests your understanding of network implementation. 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 is using AWS Transit Gateway to connect multiple VPCs and an on-premises network via Direct Connect. The network team wants to isolate traffic between VPCs while allowing all VPCs to reach the on-premises network. Which TWO configurations should be implemented?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Attach the Direct Connect virtual interface to a VPN attachment on the Transit Gateway
Options B and C are correct because Transit Gateway route tables can be used to isolate traffic, and VPN attachments can be used for segmentation. Option A is wrong because VPC peering is not needed if Transit Gateway is used. Option D is wrong because a single route table would allow all VPCs to communicate. Option E is wrong because Direct Connect gateway does not isolate traffic between VPCs.
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.
✓
Attach the Direct Connect virtual interface to a VPN attachment on the Transit Gateway
Why this is correct
Provides on-premises connectivity.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a Direct Connect gateway to propagate routes to all VPCs
Why it's wrong here
Does not isolate traffic.
✓
Create separate Transit Gateway route tables for each VPC and associate them with the respective VPC attachments
Why this is correct
Isolates VPC traffic.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a single Transit Gateway route table for all attachments
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 Implementation — This question tests Network Implementation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Attach the Direct Connect virtual interface to a VPN attachment on the Transit Gateway — Options B and C are correct because Transit Gateway route tables can be used to isolate traffic, and VPN attachments can be used for segmentation. Option A is wrong because VPC peering is not needed if Transit Gateway is used. Option D is wrong because a single route table would allow all VPCs to communicate. Option E is wrong because Direct Connect gateway does not isolate traffic between VPCs.
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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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.
Question Discussion
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