This ANS-C01 practice question tests your understanding of network implementation. 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 has multiple VPCs that need to communicate with each other. They want to use a hub-and-spoke model with centralized network management. Which AWS service should they use?
AWS Direct Connect
Why wrong: Direct Connect connects on-premises to AWS, not multiple VPCs.
VPN CloudHub
Why wrong: VPN CloudHub connects multiple VPN sites but not VPCs natively.
VPC Peering
Why wrong: VPC Peering is a one-to-one connection; it does not provide a hub-and-spoke model.
AWS Transit Gateway
Transit Gateway enables a hub-and-spoke topology with centralized routing.
Answer choices
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 (D) is the correct choice because it acts as a central hub that interconnects multiple VPCs and on-premises networks using a hub-and-spoke topology. It simplifies network management by providing a single point of connectivity and supports transitive routing between all attached VPCs, which is exactly what the company needs for centralized network 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.
AWS Direct Connect
Why it's wrong here
Direct Connect connects on-premises to AWS, not multiple VPCs.
VPN CloudHub
Why it's wrong here
VPN CloudHub connects multiple VPN sites but not VPCs natively.
VPC Peering
Why it's wrong here
VPC Peering is a one-to-one connection; it does not provide a hub-and-spoke model.
AWS Transit Gateway
Why this is correct
Transit Gateway enables a hub-and-spoke topology with centralized routing.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse VPC Peering (C) as the default solution for VPC connectivity, but they overlook its lack of transitive routing and the management overhead of creating a full mesh, which makes Transit Gateway the only correct choice for a hub-and-spoke model with centralized management.
Detailed technical explanation
AWS Transit Gateway uses a routing table per attachment (VPC, VPN, Direct Connect Gateway) to control traffic flow, enabling transitive routing without requiring individual peering connections. It supports up to 5,000 VPC attachments per gateway and integrates with AWS Resource Access Manager for multi-account deployments. In a real-world scenario, a company with 50 VPCs across multiple accounts can attach them all to a single Transit Gateway and use route tables to isolate development, test, and production environments while maintaining centralized control.
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.
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FAQ
Network Implementation — This question tests Network Implementation — Read the scenario before looking for a memorised answer..
The correct answer is: AWS Transit Gateway — AWS Transit Gateway (D) is the correct choice because it acts as a central hub that interconnects multiple VPCs and on-premises networks using a hub-and-spoke topology. It simplifies network management by providing a single point of connectivity and supports transitive routing between all attached VPCs, which is exactly what the company needs for centralized network 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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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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