PAS-C01 Operations and Maintenance Practice Question
This PAS-C01 practice question tests your understanding of operations and maintenance. 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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The upload fails because the explicit Deny overrides the Allow.
C is correct because IAM policy evaluation follows a default-deny model where an explicit Deny always overrides any Allow. Even though the user has an Allow for s3:GetObject on all resources, the explicit Deny for the specific object path s3://my-bucket/restricted/* takes precedence, causing the upload (which requires s3:PutObject) to fail.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 succeeds because there is no explicit Deny for the specific object.
Why it's wrong here
The Deny applies to the restricted/* prefix.
✗
The upload succeeds because the Allow statement for s3:GetObject implies PutObject.
Why it's wrong here
GetObject does not imply PutObject.
✓
The upload fails because the explicit Deny overrides the Allow.
Why this is correct
Explicit Deny always overrides Allow.
Related concept
Read the scenario before looking for a memorised answer.
✗
The upload succeeds because the Allow for s3:GetObject is on all resources.
Why it's wrong here
GetObject does not grant PutObject.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that an Allow on one action (like s3:GetObject) somehow implies or grants permissions for other actions (like s3:PutObject), or that the absence of an explicit Deny means the request will succeed, ignoring the explicit Deny's overriding effect.
Detailed technical explanation
How to think about this question
AWS IAM policy evaluation uses a three-step process: default deny, then evaluate all policies for explicit Allows, and finally any explicit Deny immediately overrides. The Deny statement in this scenario uses a resource ARN of arn:aws:s3:::my-bucket/restricted/*, which matches the object path, and since s3:PutObject is not explicitly allowed, the request is denied. This is critical in multi-account or cross-account scenarios where a Deny can protect sensitive prefixes even if other policies grant broad access.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The upload fails because the explicit Deny overrides the Allow. — C is correct because IAM policy evaluation follows a default-deny model where an explicit Deny always overrides any Allow. Even though the user has an Allow for s3:GetObject on all resources, the explicit Deny for the specific object path s3://my-bucket/restricted/* takes precedence, causing the upload (which requires s3:PutObject) to fail.
What should I do if I get this PAS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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