ANS-C01 Network Implementation Practice Question
A company is designing a hybrid network using AWS Direct Connect. They have two Direct Connect connections from different providers to two different AWS Direct Connect locations. They want to configure a virtual interface (VIF) that provides connectivity to multiple VPCs in the same region. Which type of VIF should they use?
⚠ Common exam trap
The ANS-C01 exam often tests the misconception that a private VIF can connect to multiple VPCs by using a Direct Connect gateway, but the private VIF is deprecated for that use case; only a transit VIF supports the Direct Connect gateway for multi-VPC 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
✓
Transit virtual interface
A transit virtual interface (VIF) is the correct choice because it is specifically designed to connect a Direct Connect gateway to a single physical connection, enabling connectivity to multiple VPCs in the same or different AWS Regions. Unlike a private VIF, which only connects to a single VPC, a transit VIF works with a Direct Connect gateway and supports up to 3,000 VPC attachments per gateway, making it ideal for multi-VPC architectures.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Hosted virtual interface
Why it's wrong here
Hosted VIF is provided by a partner.
- ✗
Public virtual interface
Why it's wrong here
Public VIF is for AWS public services.
- ✗
Private virtual interface
Why it's wrong here
Private VIF connects to a single VPC.
- ✓
Transit virtual interface
Why this is correct
Transit VIF connects to Transit Gateway for multiple VPCs.
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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.