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 global company wants to connect multiple VPCs across different AWS Regions using a hub-and-spoke model. The hub VPC contains shared services such as Active Directory and DNS. Which AWS service provides the most scalable and maintainable solution for this architecture?
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 with inter-Region peering attachments.
Option D is correct because AWS Transit Gateway is designed for hub-and-spoke connectivity across many VPCs and Regions, providing scalability and centralized management. Option A is wrong because VPC peering is point-to-point and does not scale well for many VPCs. Option B is wrong because VPN CloudHub is for VPN-based connectivity, not VPC-to-VPC. Option C is wrong because Direct Connect gateway is for connecting Direct Connect to multiple VPCs, not for VPC-to-VPC peering.
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 VPN CloudHub to interconnect all VPCs.
Why it's wrong here
VPN CloudHub is designed for connecting multiple customer gateways, not VPCs.
✗
AWS Direct Connect gateway with virtual interfaces to each VPC.
Why it's wrong here
Direct Connect gateway is for connecting Direct Connect connections to VPCs, not for VPC-to-VPC connectivity.
✗
VPC peering between each spoke VPC and the hub VPC.
Why it's wrong here
VPC peering creates a point-to-point connection and does not scale easily as the number of VPCs grows.
✓
AWS Transit Gateway with inter-Region peering attachments.
Why this is correct
Transit Gateway provides a scalable hub-and-spoke architecture and supports inter-Region peering.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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: AWS Transit Gateway with inter-Region peering attachments. — Option D is correct because AWS Transit Gateway is designed for hub-and-spoke connectivity across many VPCs and Regions, providing scalability and centralized management. Option A is wrong because VPC peering is point-to-point and does not scale well for many VPCs. Option B is wrong because VPN CloudHub is for VPN-based connectivity, not VPC-to-VPC. Option C is wrong because Direct Connect gateway is for connecting Direct Connect to multiple VPCs, not for VPC-to-VPC peering.
What should I do if I get this ANS-C01 question wrong?
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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.
Question Discussion
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