ANS-C01 Network Management and Operations Practice Question
A company uses AWS CloudWAN to build a global network connecting multiple VPCs and on-premises sites. The network team has configured a core network with a segment that includes VPCs in us-east-1 and eu-west-1. The team notices that traffic between VPCs in different regions is taking a suboptimal path, going through the internet instead of staying within the AWS global network. The team has verified that the core network attachments are correctly configured and that the route tables are propagated. What should the team do to ensure traffic stays within the AWS global network?
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
✓
Ensure both VPCs are attached to the same CloudWAN segment.
CloudWAN uses segments to control routing. If both VPCs are attached to the same segment, traffic between them will use the AWS global network. Option A is wrong because VPC peering creates a direct connection but does not leverage CloudWAN's global backbone and may lead to suboptimal routing. Option B is wrong because AWS Direct Connect is designed for on-premises connectivity, not inter-region VPC traffic. Option D is wrong because transit gateway peering is unnecessary when using CloudWAN, which already provides inter-region routing via its core network.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Establish a VPC peering connection between the two VPCs.
Why it's wrong here
Incorrect: VPC peering is a separate mechanism and not integrated with CloudWAN.
- ✗
Set up an AWS Direct Connect gateway to route traffic between regions.
Why it's wrong here
Incorrect: Direct Connect is for on-premises connectivity, not inter-region VPC traffic.
- ✓
Ensure both VPCs are attached to the same CloudWAN segment.
Why this is correct
Correct: Same segment ensures traffic stays within CloudWAN and uses AWS global backbone.
- ✗
Create a transit gateway in each region and peer them together.
Why it's wrong here
Incorrect: CloudWAN replaces Transit Gateway; peering TGWs adds complexity.
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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.