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 is designing a hybrid network using AWS Direct Connect. They want to extend their on-premises network to multiple VPCs in the same AWS Region. Which resource should they use to achieve this?
Direct Connect transit virtual interface
Why wrong: A transit VIF connects to a Transit Gateway, not directly to multiple VPCs.
Direct Connect gateway
A Direct Connect gateway enables connectivity to multiple VPCs.
Direct Connect private virtual interface (VIF)
Why wrong: A private VIF connects to only one VPC.
Link Aggregation Group (LAG)
Why wrong: LAG is for aggregating bandwidth, not for connecting to multiple VPCs.
Answer choices
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 is the correct resource because it allows you to associate up to 10 VPCs (or 20 with a quota increase) in the same or different AWS Regions with a single Direct Connect connection. It acts as a central hub, enabling connectivity from your on-premises network to multiple VPCs via a single private virtual interface (VIF) attached to the Direct Connect gateway, without needing separate VIFs per VPC.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Direct Connect transit virtual interface
Why it's wrong here
A transit VIF connects to a Transit Gateway, not directly to multiple VPCs.
Direct Connect gateway
Why this is correct
A Direct Connect gateway enables connectivity to multiple VPCs.
Related concept
Read the scenario before looking for a memorised answer.
Direct Connect private virtual interface (VIF)
Why it's wrong here
A private VIF connects to only one VPC.
Link Aggregation Group (LAG)
Why it's wrong here
LAG is for aggregating bandwidth, not for connecting to multiple VPCs.
Common exam traps
The trap here is that candidates often confuse a Direct Connect gateway with a transit gateway or a private VIF, mistakenly thinking a private VIF alone can connect to multiple VPCs, but AWS requires a Direct Connect gateway to aggregate multiple VPC associations under a single VIF.
Detailed technical explanation
Under the hood, a Direct Connect gateway uses a BGP session over the private VIF to exchange routes with your on-premises network, and it propagates those routes to all associated VPCs via their virtual private gateways (VGWs). This allows traffic to flow between on-premises and any associated VPC without hair-pinning through a single VPC. In a real-world scenario, if you have multiple VPCs for different environments (e.g., dev, test, prod) in the same Region, a Direct Connect gateway simplifies management by requiring only one VIF and one BGP session for all VPCs.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
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FAQ
Network Design — This question tests Network Design — Read the scenario before looking for a memorised answer..
The correct answer is: Direct Connect gateway — A Direct Connect gateway is the correct resource because it allows you to associate up to 10 VPCs (or 20 with a quota increase) in the same or different AWS Regions with a single Direct Connect connection. It acts as a central hub, enabling connectivity from your on-premises network to multiple VPCs via a single private virtual interface (VIF) attached to the Direct Connect gateway, without needing separate VIFs per VPC.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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.
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