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Network Implementation →easyMultiple ChoiceObjective-mapped

ANS-C01 Network Implementation Practice Question

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 several VPCs in the same AWS account and region. They want to centrally manage and monitor network traffic between these VPCs and also to on-premises networks. Which AWS service should they use?

A
AWS Direct Connect
Why wrong: Direct Connect connects on-premises to AWS, not multiple VPCs.
B
VPC Peering
Why wrong: VPC peering creates individual connections, not a centralized management point.
C
Transit Gateway
Transit Gateway provides a hub-and-spoke architecture for connecting multiple VPCs and on-premises networks.
D
AWS VPN CloudHub
Why wrong: VPN CloudHub connects multiple customer gateways, not VPCs.

Full breakdown with real-world context →

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

✓

Transit Gateway

AWS Transit Gateway (C) is the correct choice because it acts as a central hub to interconnect multiple VPCs and on-premises networks using a single gateway, simplifying network management and enabling centralized monitoring. It supports transitive routing between all attached networks, which is essential for the company's requirement to manage and monitor traffic across many VPCs and their on-premises environment.

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.

✗
AWS Direct Connect
Why it's wrong here
Direct Connect connects on-premises to AWS, not multiple VPCs.
✗
VPC Peering
Why it's wrong here
VPC peering creates individual connections, not a centralized management point.
✓
Transit Gateway
Why this is correct
Transit Gateway provides a hub-and-spoke architecture for connecting multiple VPCs and on-premises networks.
Related concept
Read the scenario before looking for a memorised answer.
✗
AWS VPN CloudHub
Why it's wrong here
VPN CloudHub connects multiple customer gateways, not VPCs.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse VPC Peering's ability to connect VPCs with the need for transitive routing, mistakenly thinking a mesh of peering connections is simpler than Transit Gateway, but they overlook the operational overhead and lack of centralized management.

Detailed technical explanation

How to think about this question

Transit Gateway uses a hub-and-spoke architecture with a single route table per attachment, enabling transitive routing via route propagation and static routes. Under the hood, it leverages AWS's internal infrastructure to forward traffic at high bandwidth without requiring individual peering connections, and it supports multicast and cross-account attachments for complex topologies. In a real-world scenario, a company with dozens of VPCs and multiple on-premises sites can use Transit Gateway to enforce consistent security policies via Network Firewall and centralize traffic monitoring with VPC Flow Logs.

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 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

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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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: Transit Gateway — AWS Transit Gateway (C) is the correct choice because it acts as a central hub to interconnect multiple VPCs and on-premises networks using a single gateway, simplifying network management and enabling centralized monitoring. It supports transitive routing between all attached networks, which is essential for the company's requirement to manage and monitor traffic across many VPCs and their on-premises environment.

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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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.