ANS-C01 Network Implementation Practice Question
An organization is using AWS Direct Connect with a private VIF to connect to a VPC. They want to extend connectivity to multiple VPCs in the same region without creating multiple private VIFs. Which solution should they implement?
⚠ Common exam trap
A common mix-up: candidates confuse Transit VIFs with private VIFs, thinking a Transit VIF can directly connect to a Transit Gateway, but in reality, a Transit VIF always connects to a Direct Connect gateway, which then associates with a Transit Gateway.
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
✓
Create a Direct Connect gateway and associate it with a Transit Gateway that is attached to the VPCs.
A Direct Connect gateway allows you to associate a single private VIF with multiple VPCs in the same region by connecting to a Transit Gateway. The Transit Gateway then acts as a hub, enabling transitive routing between all attached VPCs without needing separate VIFs. This solution scales efficiently and avoids the complexity of managing multiple private VIFs.
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 from the VPC with the Direct Connect VIF to the other VPCs.
Why it's wrong here
VPC peering does not extend Direct Connect to peered VPCs; routes are not transitive.
- ✓
Create a Direct Connect gateway and associate it with a Transit Gateway that is attached to the VPCs.
Why this is correct
A Direct Connect gateway can be associated with multiple virtual private gateways or a Transit Gateway to connect to multiple VPCs.
- ✗
Provision separate private VIFs for each VPC.
Why it's wrong here
This is possible but not the most efficient; Direct Connect gateway allows sharing a single VIF.
- ✗
Use a Transit VIF to connect directly to a Transit Gateway.
Why it's wrong here
Transit VIF still requires a Direct Connect gateway for multi-VPC connectivity.
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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.