- A
Attach the VPCs in member accounts to the transit gateway.
VPCs must be attached to the transit gateway to route traffic through it.
- B
Update the route tables of the VPCs to point to the transit gateway for inter-VPC traffic.
Routes must be added to direct traffic to the transit gateway.
- C
Create VPC endpoints for the transit gateway in each VPC.
Why wrong: VPC endpoints are used for private access to AWS services, not for routing to transit gateways.
- D
Create VPC peering connections between each VPC and the networking VPC.
Why wrong: VPC peering would create direct connections, bypassing the transit gateway.
- E
Share the transit gateway with the member accounts using AWS Resource Access Manager.
Resource Access Manager allows sharing transit gateways across accounts.
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. 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 using AWS Organizations with a centralized networking account that hosts a transit gateway. The company wants to ensure that all traffic between VPCs in different accounts flows through the transit gateway. Which THREE steps are required to implement this architecture?
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
Attach the VPCs in member accounts to the transit gateway.
Option A is correct because attaching the VPCs in member accounts to the transit gateway is a fundamental step to establish connectivity. The transit gateway acts as a central hub, and each VPC must be explicitly attached to it to route traffic through the gateway. Without attachment, the transit gateway cannot forward traffic to or from those VPCs.
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.
- ✓
Attach the VPCs in member accounts to the transit gateway.
Why this is correct
VPCs must be attached to the transit gateway to route traffic through it.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Update the route tables of the VPCs to point to the transit gateway for inter-VPC traffic.
Why this is correct
Routes must be added to direct traffic to the transit gateway.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create VPC endpoints for the transit gateway in each VPC.
Why it's wrong here
VPC endpoints are used for private access to AWS services, not for routing to transit gateways.
- ✗
Create VPC peering connections between each VPC and the networking VPC.
Why it's wrong here
VPC peering would create direct connections, bypassing the transit gateway.
- ✓
Share the transit gateway with the member accounts using AWS Resource Access Manager.
Why this is correct
Resource Access Manager allows sharing transit gateways across accounts.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse VPC endpoints (used for AWS service access) with transit gateway attachments, or mistakenly think VPC peering is required when the transit gateway already provides the necessary connectivity.
Detailed technical explanation
How to think about this question
Under the hood, a transit gateway uses a route table to determine how to forward traffic between attachments. When you attach a VPC, you must also update the VPC's route tables to point destination CIDR blocks (e.g., other VPCs) to the transit gateway ID. AWS Resource Access Manager (RAM) is used to share the transit gateway with member accounts, allowing them to attach their VPCs without needing direct access to the networking account. In a real-world multi-account architecture, this pattern ensures centralized inspection and traffic control, such as through a firewall appliance in the networking account.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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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Design Solutions for Organizational Complexity — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Design Solutions for Organizational Complexity — This question tests Design Solutions for Organizational Complexity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Attach the VPCs in member accounts to the transit gateway. — Option A is correct because attaching the VPCs in member accounts to the transit gateway is a fundamental step to establish connectivity. The transit gateway acts as a central hub, and each VPC must be explicitly attached to it to route traffic through the gateway. Without attachment, the transit gateway cannot forward traffic to or from those VPCs.
What should I do if I get this SAP-C02 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: Jun 24, 2026
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.
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