SOA-C02 Deployment, Provisioning, and Automation Practice Question
This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. 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 SysOps administrator is troubleshooting a CodeDeploy deployment that uploads artifacts to an S3 bucket. The deployment fails with an 'AccessDenied' error. The IAM policy for the CodeDeploy service role includes the statement shown in the exhibit. What is the most likely cause of the failure?
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 the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The upload does not set the ACL to 'bucket-owner-full-control'.
The policy includes a condition that requires the object's ACL to be set to 'bucket-owner-full-control'. If the upload does not specify this ACL in the request, the condition is not met, and the request fails with AccessDenied. Therefore, option A is correct. Option B is incorrect because the resource ARN does include the bucket (the policy grants access to objects within the bucket). Option C is incorrect because the policy does not mention encryption headers; the condition is about ACL. Option D is incorrect because the s3:PutObject action is allowed by the policy; the failure is due to the condition on ACL.
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 upload does not set the ACL to 'bucket-owner-full-control'.
Why this is correct
The condition requires this ACL; if not set, the request is denied.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Standard ACLs match source addresses.
✗
The resource ARN does not include the bucket itself.
Why it's wrong here
The resource ARN includes the objects in the bucket, which is sufficient.
The policy does not allow the s3:PutObject action.
Why it's wrong here
The policy does allow s3:PutObject.
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.
Visual reference
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 SOA-C02 ACL questions on filtering logic and placement.
Deployment, Provisioning, and Automation — This question tests Deployment, Provisioning, and Automation — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: The upload does not set the ACL to 'bucket-owner-full-control'. — The policy includes a condition that requires the object's ACL to be set to 'bucket-owner-full-control'. If the upload does not specify this ACL in the request, the condition is not met, and the request fails with AccessDenied. Therefore, option A is correct. Option B is incorrect because the resource ARN does include the bucket (the policy grants access to objects within the bucket). Option C is incorrect because the policy does not mention encryption headers; the condition is about ACL. Option D is incorrect because the s3:PutObject action is allowed by the policy; the failure is due to the condition on ACL.
What should I do if I get this SOA-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 SOA-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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