ANS-C01 Network Implementation Practice Question
A company is setting up a Direct Connect connection between its on-premises data center and AWS. The company wants to use a single virtual interface (VIF) to access multiple VPCs in the same AWS Region. Which AWS service should be used to achieve this?
⚠ Common exam trap
Test-takers frequently confuse a Direct Connect gateway with a Transit Gateway, but the question explicitly asks for the service to use with a single VIF, and a Direct Connect gateway is the correct component that directly attaches to the VIF, whereas a Transit Gateway is a separate construct that can also be used but requires additional configuration and is not the direct answer for 'using a single VIF to access multiple VPCs'.
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
✓
Direct Connect gateway
A Direct Connect gateway allows you to associate multiple Virtual Private Clouds (VPCs) in the same AWS Region with a single Direct Connect virtual interface (VIF). This is achieved by creating a Direct Connect gateway and attaching it to the VIF, then associating the desired VPCs with the gateway via virtual private gateways (VGWs) or transit gateways. This enables centralized, private connectivity from on-premises to multiple VPCs without needing separate VIFs per VPC.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Direct Connect gateway
Why this is correct
A Direct Connect gateway enables a single virtual interface to connect to multiple VPCs.
- ✗
VPC peering connection
Why it's wrong here
VPC peering connects VPCs, but does not extend Direct Connect to multiple VPCs via a single VIF.
- ✗
AWS VPN CloudHub
Why it's wrong here
AWS VPN CloudHub is for connecting multiple VPN sites, not for Direct Connect to multiple VPCs.
- ✗
Transit VPC
Why it's wrong here
Transit VPC is an architectural pattern, not a managed AWS service for Direct Connect multi-VPC connectivity.
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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.