- A
AWS Direct Connect
Why wrong: Direct Connect connects on-premises to AWS.
- B
VPC Endpoints
Why wrong: VPC endpoints connect to AWS services, not other VPCs.
- C
VPC Peering
VPC peering supports inter-region connectivity.
- D
Internet Gateway
Why wrong: IGW provides internet access, not private VPC-to-VPC.
Question 1,449 of 1,705
ANS-C01 Network Implementation Practice Question
This ANS-C01 practice question tests your understanding of network implementation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 is designing a network for a highly available application across multiple AWS regions. The application requires low-latency communication between regions and uses IP addresses that cannot change. Which AWS service should be used to connect the VPCs in different regions?
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
✓
VPC Peering
VPC Peering is the correct choice because it establishes a direct, private network connection between two VPCs in different AWS regions using AWS's global backbone, enabling low-latency communication without requiring public internet traversal. It supports inter-region peering (since 2017) and allows the use of private IP addresses that remain unchanged, satisfying the requirement for fixed IPs.
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.
- ✗
VPC Endpoints
Why it's wrong here
VPC endpoints connect to AWS services, not other VPCs.
- ✓
VPC Peering
Why this is correct
VPC peering supports inter-region connectivity.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Internet Gateway
Why it's wrong here
IGW provides internet access, not private VPC-to-VPC.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The ANS-C01 exam often tests the misconception that VPC Peering is only for same-region VPCs, but AWS has supported inter-region VPC Peering since 2017, making it a valid and recommended solution for cross-region private connectivity with fixed IPs.
Detailed technical explanation
How to think about this question
Inter-region VPC Peering uses the AWS global network to route traffic, avoiding the public internet and providing consistent latency; it leverages the same underlying technology as intra-region peering but with cross-region data transfer costs. A subtle behavior is that VPC Peering does not support transitive routing—if VPC A is peered with VPC B and VPC B with VPC C, traffic from A to C must go through B explicitly, requiring full-mesh peering for multi-VPC architectures. In real-world scenarios, this limitation often drives the use of a Transit Gateway for complex multi-region designs, but for a simple two-region requirement, VPC Peering is the direct and correct service.
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.
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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: VPC Peering — VPC Peering is the correct choice because it establishes a direct, private network connection between two VPCs in different AWS regions using AWS's global backbone, enabling low-latency communication without requiring public internet traversal. It supports inter-region peering (since 2017) and allows the use of private IP addresses that remain unchanged, satisfying the requirement for fixed IPs.
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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Last reviewed: Jul 4, 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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