The answer is to use AWS Control Tower account factory and AWS CloudFormation StackSets to deploy the VPC across all accounts. This approach is correct because StackSets allow you to deploy a single CloudFormation template to multiple accounts from a central administrator account, ensuring every VPC has an identical configuration, while Control Tower’s account factory provides the governance framework to manage those accounts at scale. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of combining governance with infrastructure-as-code automation—a common trap is choosing AWS Organizations alone, which lacks the templated, repeatable deployment capability of StackSets. Remember the key pairing: Control Tower for account governance, StackSets for identical resource deployment. A useful memory tip is “Factory for accounts, StackSets for stacks.”
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 with a centralized IT team manages AWS resources across 50 accounts using AWS Control Tower. The team wants to deploy a new VPC with a specific CIDR block in each account in the same AWS Region. The VPC must have identical configuration across accounts. Which approach is the MOST efficient and meets the requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use AWS Control Tower account factory and AWS CloudFormation StackSets to deploy the VPC across all accounts.
Option C is correct because AWS Control Tower's Account Factory combined with AWS CloudFormation StackSets enables automated, centralized deployment of identical VPC configurations across all 50 accounts in the same Region. StackSets allow you to deploy a CloudFormation template to multiple accounts and Regions from a single administrator account, ensuring consistency without manual intervention.
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.
✗
Use AWS CloudFormation templates manually triggered in each account.
Why it's wrong here
Manual triggering is inefficient and does not scale well for 50 accounts.
✗
Create a VPC in one account and share it with other accounts using AWS Resource Access Manager (RAM).
Why it's wrong here
Sharing a VPC provides a single VPC, not separate identical VPCs per account.
✓
Use AWS Control Tower account factory and AWS CloudFormation StackSets to deploy the VPC across all accounts.
Why this is correct
Control Tower account factory with StackSets automates deployment of identical resources across accounts.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use AWS Organizations to create the VPC in each account via an SCP.
Why it's wrong here
SCPs are for permissions, not resource provisioning.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing AWS Resource Access Manager (RAM) for creating separate VPCs in each account versus sharing a single VPC, and misunderstanding that SCPs only control permissions, not resource creation.
Detailed technical explanation
How to think about this question
AWS CloudFormation StackSets extend CloudFormation by allowing you to deploy stacks across multiple accounts and Regions using a self-managed or service-managed permission model. When integrated with Control Tower Account Factory, newly provisioned accounts automatically receive the StackSet instances, ensuring every account gets the VPC with the exact same CIDR block and configuration. This approach uses the AWS CloudFormation StackSets administrator account to assume roles in target accounts via AWS Organizations, enabling consistent, auditable deployments.
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.
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: Use AWS Control Tower account factory and AWS CloudFormation StackSets to deploy the VPC across all accounts. — Option C is correct because AWS Control Tower's Account Factory combined with AWS CloudFormation StackSets enables automated, centralized deployment of identical VPC configurations across all 50 accounts in the same Region. StackSets allow you to deploy a CloudFormation template to multiple accounts and Regions from a single administrator account, ensuring consistency without manual intervention.
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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Question Discussion
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