Quick Answer
The correct answers are VPC peering and AWS Transit Gateway, as both provide valid methods to connect multiple VPCs in a hub-and-spoke topology. VPC peering establishes a direct, one-to-one network connection between two VPCs using the AWS global backbone, enabling private IPv4 or IPv6 communication without needing gateways or VPNs, though it requires a full mesh of peering connections for multiple spokes. AWS Transit Gateway acts as a central hub that connects many VPCs and on-premises networks through a single, scalable gateway, dramatically simplifying management by replacing complex peering meshes with a star configuration. On the AWS Certified Advanced Networking Specialty ANS-C01 exam, this question tests your understanding of scalable multi-VPC architectures and the trade-offs between direct peering and centralized routing. A common trap is assuming that only Transit Gateway works for hub-and-spoke, but VPC peering is also valid for smaller, simpler topologies. Memory tip: think of Transit Gateway as the “hub” that scales, while VPC peering is the “spoke-to-spoke” shortcut for direct, low-latency links.
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.
Which TWO options are valid methods to connect multiple VPCs together in a hub-and-spoke topology? (Select TWO.)
VPC peering
Can be used to create hub-and-spoke.
AWS Direct Connect
Why wrong: For on-premises.
VPC Endpoints
Why wrong: For service access.
AWS Site-to-Site VPN
Why wrong: For on-premises.
AWS Transit Gateway
Native hub-and-spoke.
Answer choices
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 (A) is a valid method because it establishes a direct, one-to-one network connection between two VPCs using the AWS global backbone, enabling private IPv4 or IPv6 communication without gateways or VPNs. AWS Transit Gateway (E) is valid because it acts as a central hub that connects multiple VPCs and on-premises networks through a single, scalable gateway, simplifying the hub-and-spoke topology management.
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.
VPC peering
Why this is correct
Can be used to create hub-and-spoke.
Related concept
Read the scenario before looking for a memorised answer.
AWS Direct Connect
Why it's wrong here
For on-premises.
VPC Endpoints
Why it's wrong here
For service access.
AWS Site-to-Site VPN
Why it's wrong here
For on-premises.
AWS Transit Gateway
Why this is correct
Native hub-and-spoke.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
AWS often tests the misconception that AWS Direct Connect or Site-to-Site VPN can directly interconnect multiple VPCs, but these are designed for on-premises connectivity, not VPC-to-VPC peering or transit routing.
Detailed technical explanation
VPC peering uses the AWS global network backbone with no single point of failure or bandwidth bottleneck, but it does not support transitive routing—each pair of VPCs requires a separate peering connection, making large-scale hub-and-spoke topologies complex. Transit Gateway leverages a centralized router that supports transitive routing across thousands of VPCs and VPN connections, using route tables to control traffic flow, and can integrate with Direct Connect and Site-to-Site VPN for hybrid architectures.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
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Network Design — study guide chapter
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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: VPC peering — VPC peering (A) is a valid method because it establishes a direct, one-to-one network connection between two VPCs using the AWS global backbone, enabling private IPv4 or IPv6 communication without gateways or VPNs. AWS Transit Gateway (E) is valid because it acts as a central hub that connects multiple VPCs and on-premises networks through a single, scalable gateway, simplifying the hub-and-spoke topology management.
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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Same concept, more angles
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? (Select TWO.)
mediumWhy A: VPC peering (Option A) is a valid method to connect multiple VPCs in the same AWS region. It uses the AWS global network infrastructure to create a one-to-one, private IPv4 or IPv6 routing connection between two VPCs, allowing traffic to flow as if they were on the same network. This is a direct, non-transitive connection that does not require a separate transit hub.
Last reviewed: Jun 30, 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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