This ANS-C01 practice question tests your understanding of network design. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company has a Direct Connect connection with a private virtual interface (VIF) to a VPC. The company wants to add a second VPC in the same AWS Region using the same Direct Connect connection. Which solution meets the requirements with the least operational effort?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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 both VPCs, then associate the private VIF with the Direct Connect gateway
A Direct Connect gateway allows a single private virtual interface (VIF) to connect to multiple VPCs in the same AWS Region, eliminating the need for multiple VIFs or complex routing. By associating both VPCs with the Direct Connect gateway and attaching the private VIF to it, you achieve the goal with minimal operational overhead, as the gateway handles the routing between the on-premises network and the VPCs.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 a Direct Connect gateway and associate both VPCs, then associate the private VIF with the Direct Connect gateway
Why this is correct
Allows multiple VPCs to use the same private VIF via the Direct Connect gateway.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Set up a VPN connection over the Direct Connect for the second VPC
Why it's wrong here
Unnecessary complexity.
✗
Create a transit virtual interface and attach it to a transit gateway, then attach both VPCs
Why it's wrong here
This requires a transit gateway and transit VIF, which is more effort than a Direct Connect gateway.
✗
Create a second private virtual interface for the second VPC
Why it's wrong here
This adds complexity and cost; a Direct Connect gateway is simpler.
Common exam traps
Common exam trap: answer the scenario, not the keyword
AWS often tests the misconception that a single private VIF can only connect to one VPC, leading candidates to choose Option D, but the Direct Connect gateway enables multi-VPC connectivity with the same VIF.
Detailed technical explanation
How to think about this question
A Direct Connect gateway acts as a regional router that can be associated with up to 10 VPCs per gateway, using BGP to propagate routes from the on-premises network to all attached VPCs. The private VIF terminates on the Direct Connect gateway, which then uses virtual private gateway attachments to each VPC, allowing traffic to flow without additional VIFs. In real-world scenarios, this simplifies multi-VPC connectivity for disaster recovery or microservices architectures, as you can add VPCs without modifying the physical connection.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Network Design — This question tests Network Design — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a Direct Connect gateway and associate both VPCs, then associate the private VIF with the Direct Connect gateway — A Direct Connect gateway allows a single private virtual interface (VIF) to connect to multiple VPCs in the same AWS Region, eliminating the need for multiple VIFs or complex routing. By associating both VPCs with the Direct Connect gateway and attaching the private VIF to it, you achieve the goal with minimal operational overhead, as the gateway handles the routing between the on-premises network and the VPCs.
What should I do if I get this ANS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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