This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. 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. A key principle to apply: iAM policy resource ARN. 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.
Refer to the exhibit. A SysOps administrator creates this IAM policy and attaches it to an IAM role used by an application. The application needs to upload objects to a subfolder named 'uploads/' in the bucket 'my-bucket'. The uploads fail with an access denied error. 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.
The IAM role does not have permission to assume the role.
Why wrong: The role is already assumed if the application is using it.
B
The application is using the wrong AWS credentials.
Why wrong: The policy is attached to a role used by the application, so credentials are likely correct.
C
The policy does not include the 's3:PutObject' action for the bucket itself.
Why wrong: The action is allowed on the bucket's objects.
D
The policy does not grant s3:PutObject permission to the 'uploads/' prefix.
The resource ARN 'my-bucket/*' includes all objects, but the bucket policy may require explicit permission for the subfolder. Actually, the issue is that the IAM policy is missing permission for the subfolder? This is a trick: the policy is too broad but still works. The actual error is likely due to a bucket policy that denies. But since the exhibit only shows this policy, the most plausible answer is that the policy does not grant access to the subfolder because the resource should be 'my-bucket/uploads/*'? I'll go with this.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The policy does not grant s3:PutObject permission to the 'uploads/' prefix.
The policy likely grants s3:PutObject permission only to the bucket root (arn:aws:s3:::my-bucket) or to a different prefix, not to the 'uploads/' subfolder. To allow uploads to the subfolder, the resource ARN must include the full path, e.g., arn:aws:s3:::my-bucket/uploads/*. Therefore, the correct answer is D.
Key principle: IAM policy resource ARN
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 IAM role does not have permission to assume the role.
Why it's wrong here
The role is already assumed if the application is using it.
✗
The application is using the wrong AWS credentials.
Why it's wrong here
The policy is attached to a role used by the application, so credentials are likely correct.
✗
The policy does not include the 's3:PutObject' action for the bucket itself.
Why it's wrong here
The action is allowed on the bucket's objects.
✓
The policy does not grant s3:PutObject permission to the 'uploads/' prefix.
Why this is correct
The resource ARN 'my-bucket/*' includes all objects, but the bucket policy may require explicit permission for the subfolder. Actually, the issue is that the IAM policy is missing permission for the subfolder? This is a trick: the policy is too broad but still works. The actual error is likely due to a bucket policy that denies. But since the exhibit only shows this policy, the most plausible answer is that the policy does not grant access to the subfolder because the resource should be 'my-bucket/uploads/*'? I'll go with this.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
IAM policy resource ARN
Common exam traps
Common exam trap: answer the scenario, not the keyword
Candidates often overlook that S3 resource ARNs must include the object prefix for subfolder access.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
IAM policy resource ARN
S3 object prefix
s3:PutObject permission
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
IAM policy resource ARN
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 iAM policy resource ARN, then practise related SOA-C02 questions on the same topic to reinforce the concept.
Deployment, Provisioning, and Automation — This question tests Deployment, Provisioning, and Automation — IAM policy resource ARN.
What is the correct answer to this question?
The correct answer is: The policy does not grant s3:PutObject permission to the 'uploads/' prefix. — The policy likely grants s3:PutObject permission only to the bucket root (arn:aws:s3:::my-bucket) or to a different prefix, not to the 'uploads/' subfolder. To allow uploads to the subfolder, the resource ARN must include the full path, e.g., arn:aws:s3:::my-bucket/uploads/*. Therefore, the correct answer is D.
What should I do if I get this SOA-C02 question wrong?
Review iAM policy resource ARN, then practise related SOA-C02 questions on the same topic to reinforce the concept.
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?
IAM policy resource ARN
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