PCNSE Manage, Monitor and Operate Practice Question
This PCNSE practice question tests your understanding of manage, monitor and operate. 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.
Exhibit
Refer to the exhibit.
Traffic Log:
Time: 2024-07-15 10:00:00
Source: 10.1.1.10
Destination: 198.51.100.20
Application: web-browsing
Action: allow
Threat: High
Severity: medium
Threat Log:
Time: 2024-07-15 10:00:00
Source: 10.1.1.10
Destination: 198.51.100.20
Threat ID: 12345
Action: allow
The traffic log shows a threat severity 'medium' and the threat log shows action 'allow' for the same session. What is the most likely reason that the threat was allowed?
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 security policy rule that matched this traffic is configured to allow the threat.
The threat log shows action 'allow' because the security policy rule that matched the session is configured with an action of 'allow'. When a threat is detected but the security rule permits the traffic, the firewall still allows the session to pass, and the threat is logged with the action taken by the rule. This is a common scenario where the firewall's threat prevention profile is set to 'alert' rather than 'block', or the rule's action overrides the threat action.
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 security policy rule that matched this traffic is configured to allow the threat.
Why this is correct
The profile for that rule likely has an 'allow' action for this threat.
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.
✗
The action 'allow' in the threat log is misleading; the traffic was actually blocked.
Why it's wrong here
The log explicitly says action: allow.
✗
The threat was not detected by the firewall.
Why it's wrong here
It was detected as shown in the threat log.
✗
The threat log does not record blocked threats.
Why it's wrong here
Threat logs record both allowed and blocked threats.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume the threat log action reflects the threat prevention profile's action (e.g., block), but it actually reflects the security policy rule's action, leading them to incorrectly think the threat was not detected or that the log is misleading.
Trap categories for this question
Command / output trap
It was detected as shown in the threat log.
Detailed technical explanation
How to think about this question
Under the hood, the firewall processes traffic through security policy rules first, then applies threat prevention profiles (e.g., IPS, antivirus). If the security rule action is 'allow', the threat prevention profile can be configured to 'alert-only' (log but permit) or 'drop' (block). The threat log action field reflects the final disposition of the session, which is determined by the security rule action when the threat profile is set to alert. In real-world scenarios, this often occurs when administrators want to monitor threats without disrupting legitimate traffic, such as during initial deployment or for low-severity threats.
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.
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 security policy rule that matched this traffic is configured to allow the threat. — The threat log shows action 'allow' because the security policy rule that matched the session is configured with an action of 'allow'. When a threat is detected but the security rule permits the traffic, the firewall still allows the session to pass, and the threat is logged with the action taken by the rule. This is a common scenario where the firewall's threat prevention profile is set to 'alert' rather than 'block', or the rule's action overrides the threat action.
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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