- A
Create a StackSet with the template and target the OU, enabling automatic deployment.
Automatically deploys to new accounts in the OU.
- B
Create an AWS CloudFormation template that defines the common resources.
StackSets use CloudFormation templates.
- C
Use AWS Config rules to detect missing resources and deploy them via Lambda.
Why wrong: This is a custom solution, not as automated as StackSets.
- D
Enable AWS CloudFormation StackSets trusted access with AWS Organizations.
Required for StackSets to manage accounts in the organization.
- E
Create an SCP that requires the creation of those resources.
Why wrong: SCPs cannot create resources.
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 hundreds of accounts. The central IT team needs to deploy a common set of AWS resources (e.g., VPCs, subnets, security groups) to all accounts in a specific organizational unit (OU). The solution must be automated and ensure that new accounts added to the OU automatically receive the resources. Which three steps should the team take? (Choose three.)
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
Create a StackSet with the template and target the OU, enabling automatic deployment.
Options A, C, and D are correct. AWS CloudFormation StackSets allow deploying templates to multiple accounts and regions; enabling trusted access allows StackSets to work with Organizations; adding new accounts to the OU triggers automatic deployment if StackSets are configured with automatic deployment. Option B is wrong because SCPs cannot create resources. Option E is wrong because AWS Config cannot create resources.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
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 StackSet with the template and target the OU, enabling automatic deployment.
Why this is correct
Automatically deploys to new accounts in the OU.
Related concept
CIDR notation defines the prefix length.
- ✓
Create an AWS CloudFormation template that defines the common resources.
Why this is correct
StackSets use CloudFormation templates.
Related concept
CIDR notation defines the prefix length.
- ✗
Use AWS Config rules to detect missing resources and deploy them via Lambda.
Why it's wrong here
This is a custom solution, not as automated as StackSets.
- ✓
Enable AWS CloudFormation StackSets trusted access with AWS Organizations.
Why this is correct
Required for StackSets to manage accounts in the organization.
Related concept
CIDR notation defines the prefix length.
- ✗
Create an SCP that requires the creation of those resources.
Why it's wrong here
SCPs cannot create resources.
Common exam traps
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Detailed technical explanation
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
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.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related SAP-C02 subnetting questions on CIDR, address ranges, and subnet selection.
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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 — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: Create a StackSet with the template and target the OU, enabling automatic deployment. — Options A, C, and D are correct. AWS CloudFormation StackSets allow deploying templates to multiple accounts and regions; enabling trusted access allows StackSets to work with Organizations; adding new accounts to the OU triggers automatic deployment if StackSets are configured with automatic deployment. Option B is wrong because SCPs cannot create resources. Option E is wrong because AWS Config cannot create resources.
What should I do if I get this SAP-C02 question wrong?
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related SAP-C02 subnetting questions on CIDR, address ranges, and subnet selection.
What is the key concept behind this question?
CIDR notation defines the prefix length.
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Last reviewed: Jun 20, 2026
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