ANS-C01 Network Implementation Practice Question
Which TWO of the following are valid methods to connect multiple VPCs in the same AWS Region? (Choose TWO.)
⚠ Common exam trap
The ANS-C01 exam often tests the misconception that an internet gateway or Site-to-Site VPN can be used for VPC-to-VPC connectivity, but these services are specifically for internet or on-premises access, not for inter-VPC routing within the same Region.
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
✓
VPC peering
VPC peering is a valid method to connect multiple VPCs in the same AWS Region. It uses the AWS global network to privately route traffic between VPCs using IPv4 or IPv6 addresses, with no single point of failure or bandwidth bottleneck. Each VPC peering connection is a one-to-one relationship, so to connect multiple VPCs, you must create a mesh of peering connections.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Internet gateway
Why it's wrong here
For internet access, not VPC interconnection.
- ✗
AWS Site-to-Site VPN
Why it's wrong here
Used for on-premises to AWS.
- ✓
VPC peering
Why this is correct
Direct connection between two VPCs.
- ✓
AWS Transit Gateway
Why this is correct
Hub-and-spoke architecture for many VPCs.
- ✗
AWS Direct Connect
Why it's wrong here
Used for on-premises connectivity.
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About these practice questions
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Same concept, more angles
1 more way 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. Which TWO of the following are valid methods to connect multiple VPCs in the same AWS region using AWS native services? (Choose two.)
medium- A.Software VPN appliance
- ✓ B.VPC peering
- C.AWS Direct Connect
- D.Amazon ClassicLink
- ✓ E.AWS Transit Gateway
Why B: VPC peering (B) is a valid AWS-native method to connect multiple VPCs in the same region, using the AWS backbone to route traffic between VPCs via private IPv4 or IPv6 addresses with no single point of failure or bandwidth bottleneck. AWS Transit Gateway (E) is also a native service that acts as a hub-and-spoke router, enabling transitive connectivity between thousands of VPCs and on-premises networks using a single gateway, supporting both same-region and inter-region peering attachments.
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.