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.
The operations team uses the IAM policy above for a group of administrators. An administrator tries to terminate an EC2 instance that is tagged with Environment=Production. What will happen?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The termination will be denied because there is no explicit Allow for TerminateInstances
The Deny statement has a condition that denies termination only when the tag is NOT Production. Since the instance is tagged Production, the condition is not met, so the Deny does not apply. The Allow statement does not include TerminateInstances, so there is no explicit Allow for termination. The default is implicit Deny, so the action is denied.
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 termination will be denied because the Deny condition applies to all instances
Why it's wrong here
The Deny condition explicitly excludes Production instances.
✗
The termination will be allowed because the Deny condition is not met
Why it's wrong here
The Deny condition not being met does not create an Allow.
✗
The termination will be allowed because the Deny does not apply to Production instances
Why it's wrong here
Even if Deny doesn't apply, there is no explicit Allow, so it is implicitly denied.
✓
The termination will be denied because there is no explicit Allow for TerminateInstances
Why this is correct
Without an explicit Allow, the action is implicitly denied.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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 PAS-C01 ACL questions on filtering logic and placement.
Operations and Maintenance — This question tests Operations and Maintenance — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: The termination will be denied because there is no explicit Allow for TerminateInstances — The Deny statement has a condition that denies termination only when the tag is NOT Production. Since the instance is tagged Production, the condition is not met, so the Deny does not apply. The Allow statement does not include TerminateInstances, so there is no explicit Allow for termination. The default is implicit Deny, so the action is denied.
What should I do if I get this PAS-C01 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 PAS-C01 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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