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 has a multi-account AWS environment using AWS Organizations. The security team wants to enforce that all S3 buckets in the organization are encrypted at rest. Which TWO approaches can the company use to achieve this? (Choose TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a service control policy (SCP) that denies s3:CreateBucket unless the bucket has default encryption enabled.
Options A and B are correct. SCP can deny creation of unencrypted buckets, and Config can detect noncompliant buckets. Option C is wrong because bucket policies can be bypassed by bucket owners. Option D is wrong because IAM policies are per-account and may not cover all principals. Option E is wrong because S3 Block Public Access does not address encryption.
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.
✗
Attach a bucket policy to each bucket that denies PutObject without encryption.
Why it's wrong here
Only works if bucket policy is set and not overridden.
✓
Create a service control policy (SCP) that denies s3:CreateBucket unless the bucket has default encryption enabled.
Why this is correct
Prevents creation of unencrypted buckets.
Related concept
Standard ACLs match source addresses.
✗
Create an IAM policy that denies s3:PutObject unless encryption is specified.
Why it's wrong here
Can be bypassed by other principals or services.
✗
Enable S3 Block Public Access at the organization level.
Why it's wrong here
Addresses public access, not encryption.
✓
Use AWS Config rules to detect S3 buckets without encryption and automatically apply encryption.
Why this is correct
Detective and corrective (via auto-remediation).
Related concept
Standard ACLs match source addresses.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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.
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: Create a service control policy (SCP) that denies s3:CreateBucket unless the bucket has default encryption enabled. — Options A and B are correct. SCP can deny creation of unencrypted buckets, and Config can detect noncompliant buckets. Option C is wrong because bucket policies can be bypassed by bucket owners. Option D is wrong because IAM policies are per-account and may not cover all principals. Option E is wrong because S3 Block Public Access does not address encryption.
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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Question Discussion
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