ANS-C01 Network Implementation Practice Question
A company is designing a hybrid network using AWS Direct Connect. Which TWO of the following are required to establish a private virtual interface (VIF) to a single VPC?
⚠ Common exam trap
The ANS-C01 exam often tests the misconception that a Direct Connect Gateway is mandatory for any private VIF, but it is only required when connecting to multiple VPCs or using a transit VIF, not for a single VPC connection.
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
✓
A VLAN ID for the virtual interface.
A VLAN ID is required to create a private virtual interface (VIF) because it uniquely identifies the 802.1Q VLAN tag used to segregate traffic on the Direct Connect link. Without a VLAN ID, the physical connection cannot logically separate the private VIF from other virtual interfaces (e.g., public or transit VIFs) on the same circuit.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A Direct Connect Gateway to connect to the VPC.
Why it's wrong here
A private VIF can connect directly to a single VPC without a Direct Connect Gateway.
- ✓
A VLAN ID for the virtual interface.
Why this is correct
VLAN ID is required to tag traffic.
- ✗
A public IP address for the AWS side of the BGP session.
Why it's wrong here
Private VIF uses private IP addresses.
- ✗
A BGP session with the AWS Direct Connect endpoint using public IPs.
Why it's wrong here
Private VIF uses private IPs for BGP.
- ✓
A BGP session to exchange routing information.
Why this is correct
BGP is used to advertise routes.
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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.