- A
Apply a tag policy to the development OU that requires tags for all resources.
Why wrong: Tag policies do not restrict service usage.
- B
Modify the root-level SCP to deny the unwanted services.
Why wrong: This would affect all OUs, not just development.
- C
Use a service control policy that denies access to the unwanted services and attach it to the development OU.
Deny SCPs are effective for restricting services.
- D
Attach a deny SCP to the development OU that explicitly denies the unwanted services.
Deny SCPs can be attached to specific OUs to restrict services.
- E
Create an IAM permissions boundary for all users in the development OU.
Why wrong: Permissions boundaries do not override SCPs.
Question 986 of 1,746
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 uses AWS Organizations with a hierarchical structure of organizational units (OUs). The security team needs to restrict the use of specific AWS services in the development OU. However, the SCP applied at the root level allows all services. Which TWO SCP strategies can restrict services for the development OU without affecting other OUs? (Choose TWO.)
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 a service control policy that denies access to the unwanted services and attach it to the development OU.
Option A is incorrect because tag policies enforce tagging requirements, not service restrictions. Option B is incorrect because modifying the root-level SCP would affect all OUs, not just the development OU. Option C is correct: attaching a deny SCP to the development OU that denies unwanted services will restrict that OU only, as SCPs are inherited but explicit denies override allows. Option D is correct: similarly, an explicit deny SCP attached to the development OU will block those services for that OU. Option E is incorrect because IAM permissions boundaries are applied to IAM principals, not OUs, and do not override SCPs. Therefore, the correct answers are C and D.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Apply a tag policy to the development OU that requires tags for all resources.
Why it's wrong here
Tag policies do not restrict service usage.
- ✗
Modify the root-level SCP to deny the unwanted services.
Why it's wrong here
This would affect all OUs, not just development.
- ✓
Use a service control policy that denies access to the unwanted services and attach it to the development OU.
Why this is correct
Deny SCPs are effective for restricting services.
Related concept
Standard ACLs match source addresses.
- ✓
Attach a deny SCP to the development OU that explicitly denies the unwanted services.
Why this is correct
Deny SCPs can be attached to specific OUs to restrict services.
Related concept
Standard ACLs match source addresses.
- ✗
Create an IAM permissions boundary for all users in the development OU.
Why it's wrong here
Permissions boundaries do not override SCPs.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
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 ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SAP-C02 ACL questions on filtering logic and placement.
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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 — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Use a service control policy that denies access to the unwanted services and attach it to the development OU. — Option A is incorrect because tag policies enforce tagging requirements, not service restrictions. Option B is incorrect because modifying the root-level SCP would affect all OUs, not just the development OU. Option C is correct: attaching a deny SCP to the development OU that denies unwanted services will restrict that OU only, as SCPs are inherited but explicit denies override allows. Option D is correct: similarly, an explicit deny SCP attached to the development OU will block those services for that OU. Option E is incorrect because IAM permissions boundaries are applied to IAM principals, not OUs, and do not override SCPs. Therefore, the correct answers are C and D.
What should I do if I get this SAP-C02 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SAP-C02 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Last reviewed: Jun 20, 2026
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