- A
Create a private VIF for each VPC
Why wrong: Each private VIF connects to a single VPC, but you can create multiple VIFs on the same connection.
- B
Use a VPN connection to extend the Direct Connect to other VPCs
Why wrong: VPN is not needed; Direct Connect Gateway handles multiple VPCs.
- C
Use a Transit Gateway to connect the Direct Connect to multiple VPCs
Why wrong: Transit Gateway can be attached to Direct Connect Gateway, but the Direct Connect Gateway itself allows multiple VPC attachments.
- D
Create a Direct Connect Gateway and associate it with multiple VPCs
A Direct Connect Gateway can be associated with up to 10 VPCs per region.
Question 1,175 of 1,705
Using Direct Connect Gateway to Connect Multiple VPCs in the Same Region
This ANS-C01 practice question tests your understanding of network implementation. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 needs to connect its on-premises network to a VPC using AWS Direct Connect. The company wants to use a single Direct Connect connection to connect to multiple VPCs in the same region. Which configuration should be used?
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
✓
Create a Direct Connect Gateway and associate it with multiple VPCs
Option D is correct because a Direct Connect Gateway allows a single Direct Connect connection (via a private virtual interface) to be associated with multiple VPCs in the same region (or across regions). The Direct Connect Gateway acts as a hub, enabling transitive routing between the on-premises network and all associated VPCs without needing separate private VIFs per VPC.
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 private VIF for each VPC
Why it's wrong here
Each private VIF connects to a single VPC, but you can create multiple VIFs on the same connection.
- ✗
Use a VPN connection to extend the Direct Connect to other VPCs
- ✗
Use a Transit Gateway to connect the Direct Connect to multiple VPCs
Why it's wrong here
Transit Gateway can be attached to Direct Connect Gateway, but the Direct Connect Gateway itself allows multiple VPC attachments.
- ✓
Create a Direct Connect Gateway and associate it with multiple VPCs
Why this is correct
A Direct Connect Gateway can be associated with up to 10 VPCs per region.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the role of a Transit Gateway with a Direct Connect Gateway, assuming that a Transit Gateway alone can directly terminate a Direct Connect private VIF, when in fact a Direct Connect Gateway is required as an intermediary to aggregate multiple VPC attachments.
Detailed technical explanation
How to think about this question
A Direct Connect Gateway uses BGP to exchange routes between the on-premises network and the associated VPCs, supporting up to 10 VPC associations per gateway (with a soft limit that can be increased). The private VIF is attached to the Direct Connect Gateway, which then propagates routes to each associated VPC's virtual private gateway or Transit Gateway, enabling seamless Layer 3 connectivity. In real-world scenarios, this setup is critical for enterprises that need to connect multiple production, staging, and development VPCs to a single on-premises data center without incurring the cost of multiple Direct Connect connections.
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.
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FAQ
Questions learners often ask
What does this ANS-C01 question test?
Network Implementation — This question tests Network Implementation — 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 it with multiple VPCs — Option D is correct because a Direct Connect Gateway allows a single Direct Connect connection (via a private virtual interface) to be associated with multiple VPCs in the same region (or across regions). The Direct Connect Gateway acts as a hub, enabling transitive routing between the on-premises network and all associated VPCs without needing separate private VIFs per VPC.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Same concept, more angles
1 more ways this is tested on ANS-C01
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company has an AWS Direct Connect connection and wants to connect to multiple VPCs in the same region. Which TWO services can be used to achieve this? (Choose TWO.)
easy- A.VPC Peering
- ✓ B.AWS Transit Gateway
- C.AWS Site-to-Site VPN
- ✓ D.Direct Connect Gateway
- E.AWS CloudHub
Why B: AWS Transit Gateway (Option B) acts as a central hub that interconnects VPCs and on-premises networks via a single Direct Connect connection, allowing you to connect to multiple VPCs in the same region without needing individual virtual interfaces. Direct Connect Gateway (Option D) enables you to associate multiple VPCs in the same or different regions with a single Direct Connect connection by using a single private virtual interface (VIF) and transit virtual interfaces (VIFs) to reach those VPCs through Transit Gateway or virtual private gateways.
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Last reviewed: Jul 4, 2026
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