This PCNSA practice question tests your understanding of core concepts. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 security administrator notices that traffic from a specific subnet is not being logged in the Traffic logs, although the traffic is allowed by a security policy rule. Which configuration setting should be verified?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The rule has 'Log at Session End' disabled
Option C is correct because the 'Log at Session End' setting on a security policy rule controls whether traffic matching that rule generates a Traffic log entry when the session closes. If this setting is disabled, the firewall will allow the traffic per the rule but will not record it in the Traffic logs, which matches the scenario where traffic is permitted but not logged.
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.
✗
Zone Protection profile is set to 'Log at Session Start'
Why it's wrong here
Zone Protection profiles handle flood protection and other zone-based settings, not rule logging.
✗
The Log Forwarding profile is not applied
Why it's wrong here
Log Forwarding profiles send logs to external destinations but the rule must first have logging enabled.
✓
The rule has 'Log at Session End' disabled
Why this is correct
If 'Log at Session End' is not checked, traffic matching the rule will not be logged.
Related concept
Read the scenario before looking for a memorised answer.
✗
Disable Server Response Inspection on the rule
Why it's wrong here
Disabling server response inspection does not affect traffic logging.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Log Forwarding profiles with the actual logging toggle on the rule, assuming that applying a forwarding profile is required for logging to occur, when in fact the rule's own 'Log at Session End' setting is the primary control for local Traffic log generation.
Detailed technical explanation
How to think about this question
Under the hood, Palo Alto Networks firewalls use a session-based architecture where each flow is tracked as a session. The 'Log at Session End' option triggers a log entry only after the session terminates (e.g., FIN/RST or timeout), which is the default behavior for most rules. In contrast, 'Log at Session Start' is rarely used because it generates logs immediately upon session creation, potentially overwhelming storage. A real-world scenario where this matters is troubleshooting intermittent issues: if logging is disabled at session end, you might see traffic counters incrementing in the rule but have no log entries to correlate with specific flows.
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 security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
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.
Core Concepts — This question tests Core Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The rule has 'Log at Session End' disabled — Option C is correct because the 'Log at Session End' setting on a security policy rule controls whether traffic matching that rule generates a Traffic log entry when the session closes. If this setting is disabled, the firewall will allow the traffic per the rule but will not record it in the Traffic logs, which matches the scenario where traffic is permitted but not logged.
What should I do if I get this PCNSA 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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