ANS-C01 Network Design Practice Question

A company has multiple VPCs that need to communicate with each other and with an on-premises network. They want to minimize operational overhead and avoid peering mesh complexity. Which AWS service should be used?

⚠ Common exam trap

A common mix-up: candidates confuse AWS Transit Gateway with VPC Peering, mistakenly thinking that VPC Peering can scale to many VPCs without realizing it requires a full mesh of non-transitive connections, leading to exponential complexity.

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

✓

AWS Transit Gateway.

AWS Transit Gateway acts as a central hub to interconnect multiple VPCs and on-premises networks using a single gateway, eliminating the need for a full mesh of VPC peering connections. It simplifies network management by providing transitive routing between all attached networks, which directly addresses the requirement to minimize operational overhead and avoid peering mesh complexity.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✓
AWS Transit Gateway.
Why this is correct
Transit Gateway provides a hub-and-spoke model, simplifying connectivity.
✗
AWS PrivateLink.
Why it's wrong here
PrivateLink is for exposing services, not general VPC connectivity.
✗
AWS VPN CloudHub.
Why it's wrong here
VPN CloudHub is for connecting remote offices, not VPCs.
✗
VPC Peering.
Why it's wrong here
VPC Peering requires many connections and doesn't scale well.

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Last reviewed: Jun 24, 2026

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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.