PCNSE Manage, Monitor and Operate Practice Question
This PCNSE practice question tests your understanding of manage, monitor and operate. 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 network administrator notices that traffic from a specific internal subnet is not being logged to the firewall's system logs despite log forwarding being configured. The firewall is running PAN-OS 10.1. Which configuration is most likely causing the issue?
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 traffic is being matched by a rule with 'Log at Session End' disabled.
Option B is correct because in PAN-OS, a security policy rule must have 'Log at Session End' enabled to generate session-end logs. If this setting is disabled, the firewall will not log the traffic even if a log forwarding profile is applied. Since the administrator has confirmed log forwarding is configured, the most likely cause is that the specific rule matching the subnet's traffic has logging disabled.
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 subnet is not in the 'Log Destination' list.
Why it's wrong here
There is no such 'Log Destination' list; log forwarding profiles are applied per rule.
✓
The traffic is being matched by a rule with 'Log at Session End' disabled.
Why this is correct
If logging is disabled on the rule, no logs are created, so forwarding has no effect.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Log forwarding profile is not applied to the security policy rule.
Why it's wrong here
Even if not applied, logs would still be generated locally; the issue is that no logs are generated at all.
✗
The firewall's management plane is overloaded.
Why it's wrong here
This could cause log loss but not a complete absence of logs for a specific subnet.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume log forwarding configuration alone guarantees logs, overlooking the prerequisite that the security rule must have 'Log at Session End' enabled to generate the log entries that are then forwarded.
Detailed technical explanation
How to think about this question
In PAN-OS, session-end logging is controlled per security rule via the 'Log at Session End' checkbox. When disabled, the firewall completes the session without writing a log entry to the system log, regardless of any log forwarding profile attached to the rule. This is distinct from 'Log at Session Start', which only captures initial packets and is rarely used for full audit trails. A common real-world scenario is an administrator applying a log forwarding profile but forgetting to enable session-end logging, resulting in no logs for that rule's traffic.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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.
Manage, Monitor and Operate — This question tests Manage, Monitor and Operate — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The traffic is being matched by a rule with 'Log at Session End' disabled. — Option B is correct because in PAN-OS, a security policy rule must have 'Log at Session End' enabled to generate session-end logs. If this setting is disabled, the firewall will not log the traffic even if a log forwarding profile is applied. Since the administrator has confirmed log forwarding is configured, the most likely cause is that the specific rule matching the subnet's traffic has logging disabled.
What should I do if I get this PCNSE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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?
Read the scenario before looking for a memorised answer.
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Question Discussion
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