ANS-C01 Network Security, Compliance and Governance Practice Question
A company is designing a hub-and-spoke network in AWS. The security team requires that all traffic between VPCs in different spokes must be inspected by a third-party firewall deployed in the hub VPC. Which architecture meets this requirement with minimal complexity?
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
✓
Use a Transit Gateway with separate route tables for each spoke VPC, and configure the spoke route tables to route all inter-spoke traffic through the hub VPC firewall.
Transit Gateway with separate route tables allows you to configure routes so that traffic between spoke VPCs is directed through the hub VPC firewall for inspection. Option A is incorrect because VPC peering does not centralize traffic inspection; it creates direct connectivity without forcing traffic through the hub. Option B is incorrect because AWS PrivateLink is designed for accessing services privately, not for routing inter-VPC traffic. Option D is incorrect because AWS Direct Connect is used for on-premises connectivity, not for inter-VPC routing within AWS.
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 VPC peering connections between each spoke VPC and configure security groups to enforce inspection.
Why it's wrong here
VPC peering does not provide centralized inspection.
- ✗
Use AWS PrivateLink to connect all spoke VPCs to a central service in the hub.
Why it's wrong here
PrivateLink is for accessing services, not routing traffic between VPCs.
- ✓
Use a Transit Gateway with separate route tables for each spoke VPC, and configure the spoke route tables to route all inter-spoke traffic through the hub VPC firewall.
Why this is correct
This forces traffic through the inspection firewall.
- ✗
Set up AWS Direct Connect between all VPCs and route through a central firewall.
Why it's wrong here
Direct Connect is not designed for inter-VPC routing.
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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.