ANS-C01 Network Implementation Practice Question
A company has a Direct Connect connection with a private VIF to a VPC. They want to use the same connection to access another VPC in a different region. What is the simplest way to achieve this?
⚠ Common exam trap
The ANS-C01 exam often tests the misconception that a private VIF is tied to a single VPC or region, leading candidates to incorrectly choose creating a new VIF for each VPC, when a Direct Connect Gateway is the designed solution for multi-VPC and multi-region connectivity.
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 Direct Connect Gateway
A Direct Connect Gateway (DX Gateway) allows you to associate a single private virtual interface (VIF) with multiple VPCs, even across different AWS regions. This is the simplest solution because it avoids creating additional VIFs or complex inter-VPC connectivity, and it supports transitive routing between the on-premises network and all associated VPCs via the same Direct Connect connection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use a Direct Connect Gateway
Why this is correct
Direct Connect Gateway enables multi-VPC connectivity across regions over the same private VIF.
- ✗
Create a new private VIF for the second VPC
Why it's wrong here
Creating a new private VIF for the second VPC fails because a private virtual interface is bound to a single VPC in the same AWS region as the Direct Connect location; it cannot route traffic to a VPC in a different region. This option is tempting because a private VIF is the standard method for connecting a Direct Connect link to a VPC, and it would be correct if the second VPC were in the same region as the first.
- ✗
Use a VPN over the internet to connect the VPCs
Why it's wrong here
This bypasses the Direct Connect advantage of a private connection.
- ✗
Set up VPC peering between the two VPCs
Why it's wrong here
VPC peering does not use Direct Connect; traffic would go over the internet.
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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.