SAP-C02 Practice Question: Design Solutions for Organizational Complexity
A company has multiple AWS accounts and wants to share a centrally managed Amazon VPC subnet for workloads that require low latency. The VPC is in the networking account. Which solution meets these requirements with the LEAST operational overhead?
⚠ Common exam trap
The trap here is that candidates often overcomplicate the solution by choosing Transit Gateway or VPC peering, thinking they need to interconnect VPCs, when the simplest and most cost-effective approach is to share the existing subnet directly using AWS RAM.
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
✓
Use AWS Resource Access Manager (RAM) to share the subnet with the workload accounts.
AWS Resource Access Manager (RAM) allows you to share a subnet from a central VPC in the networking account with other AWS accounts without creating separate VPCs or complex networking. This enables workload accounts to launch resources directly into the shared subnet, achieving low latency by keeping them in the same VPC and Availability Zone. RAM handles the cross-account sharing with minimal operational overhead, as it does not require additional network appliances or routing configuration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create a separate VPC in each account and connect them with VPC peering.
Why it's wrong here
This adds complexity and does not share the subnet.
- ✓
Use AWS Resource Access Manager (RAM) to share the subnet with the workload accounts.
Why this is correct
RAM enables subnet sharing with minimal overhead.
- ✗
Set up an AWS Transit Gateway and attach the VPCs from each account.
Why it's wrong here
Transit Gateway does not share subnets.
- ✗
Create VPC peering connections between the networking account and each workload account.
Why it's wrong here
VPC peering does not share subnets.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SAP-C02 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 SAP-C02 exam.