- A
The bucket has versioning enabled, and lifecycle rules apply only to current versions.
Why wrong: Lifecycle rules can apply to both current and noncurrent versions.
- B
The objects are stored in the S3 Glacier Deep Archive storage class.
Why wrong: Storage class does not affect lifecycle expiration.
- C
The bucket has S3 Object Lock enabled with a retention period exceeding 30 days.
Object Lock prevents object deletion before retention expires.
- D
The IAM role used by S3 Lifecycle lacks the s3:DeleteObject permission.
Why wrong: Lifecycle actions are performed by S3 internally, not by an IAM role.
Question 175 of 1,746
SAP-C02 Continuous Improvement for Existing Solutions Practice Question
This SAP-C02 practice question tests your understanding of continuous improvement for existing solutions. 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 Amazon S3 to store critical data and needs to ensure that objects are automatically deleted after 30 days. The current lifecycle policy is configured to expire objects after 30 days, but objects are not being deleted. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
✓
The bucket has S3 Object Lock enabled with a retention period exceeding 30 days.
Option C is correct because S3 Object Lock with a retention period exceeding 30 days prevents lifecycle expiration until the retention period ends. Option A is incorrect: when versioning is enabled, lifecycle expiration still applies – S3 creates a delete marker for the current version and permanently deletes noncurrent versions based on the noncurrent days configuration. Option B is incorrect: storage class (including Glacier Deep Archive) does not block expiration; objects in any class can be expired. Option D is incorrect: S3 Lifecycle does not use an IAM role; it operates under the bucket's permissions, and while a bucket policy denying s3:DeleteObject could block deletion, the issue described is not with an IAM role.
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.
- ✗
The bucket has versioning enabled, and lifecycle rules apply only to current versions.
Why it's wrong here
Lifecycle rules can apply to both current and noncurrent versions.
- ✗
The objects are stored in the S3 Glacier Deep Archive storage class.
Why it's wrong here
Storage class does not affect lifecycle expiration.
- ✓
The bucket has S3 Object Lock enabled with a retention period exceeding 30 days.
Why this is correct
Object Lock prevents object deletion before retention expires.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Standard ACLs match source addresses.
- ✗
The IAM role used by S3 Lifecycle lacks the s3:DeleteObject permission.
Why it's wrong here
Lifecycle actions are performed by S3 internally, not by an IAM role.
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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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?
Continuous Improvement for Existing Solutions — This question tests Continuous Improvement for Existing Solutions — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: The bucket has S3 Object Lock enabled with a retention period exceeding 30 days. — Option C is correct because S3 Object Lock with a retention period exceeding 30 days prevents lifecycle expiration until the retention period ends. Option A is incorrect: when versioning is enabled, lifecycle expiration still applies – S3 creates a delete marker for the current version and permanently deletes noncurrent versions based on the noncurrent days configuration. Option B is incorrect: storage class (including Glacier Deep Archive) does not block expiration; objects in any class can be expired. Option D is incorrect: S3 Lifecycle does not use an IAM role; it operates under the bucket's permissions, and while a bucket policy denying s3:DeleteObject could block deletion, the issue described is not with an IAM role.
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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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