Question 305 of 524
Policy Evaluation and ManagementmediumMultiple SelectObjective-mapped

Quick Answer

The correct answer is to check the Traffic log and the URL Filtering log first. This is because when a security rule explicitly allows traffic but the session is still blocked, the issue typically lies in a secondary policy layer, such as a URL filtering profile applied to that rule. The Traffic log will confirm whether the session was permitted or denied at the rule level, and if allowed, the URL Filtering log will reveal that the destination URL was categorized as blocked—even though the security rule itself permits the traffic. On the PCNSA exam, this scenario tests your understanding of layered policy enforcement, where a security rule grants access but a URL filtering profile overrides it by blocking a specific web application category. A common trap is to check only the security rule, forgetting that URL filtering profiles can block traffic independently. Memory tip: think “Rule allows, profile denies”—always check both the Traffic log for the session verdict and the URL Filtering log for the category block.

PCNSA Policy Evaluation and Management Practice Question

This PCNSA practice question tests your understanding of policy evaluation and management. 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 security administrator notices that traffic from an internal user to a specific external web application is being blocked unexpectedly. The user's IP is 10.10.1.50 and the destination is 203.0.113.5 on port 443. The administrator has already verified that there is a security rule allowing the traffic. Which two logs should the administrator check first to diagnose the issue?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "first"

    Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

Question 1mediummulti select
Read the full NAT/PAT explanation →

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Check the Traffic log and the URL Filtering log.

Option A is correct because when a security rule explicitly allows traffic but the traffic is still blocked, the issue often lies in a secondary policy layer. The Traffic log will show whether the session was denied or allowed, and if allowed, the URL Filtering log can reveal that the destination URL was categorized as blocked by the URL filtering profile, even though the security rule permits the traffic. This is a common scenario where the security rule permits the session but a URL filtering profile applied to that rule blocks the specific web application.

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.

  • Check the Traffic log and the URL Filtering log.

    Why this is correct

    The Traffic log shows whether a rule allowed or denied the traffic; the URL Filtering log shows if a URL filtering profile blocked the request. These two together can identify the blocking cause.

    Clue confirmation

    The clue word "first" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Check the Threat log for any intrusion prevention signatures that matched the traffic.

    Why this is correct

    The Threat log records malware, vulnerabilities, and spyware; if the traffic is blocked by a security rule or URL filtering, it would not appear here as a threat.

    Clue confirmation

    The clue word "first" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Check the System log for configuration changes that might have added a rule.

    Why it's wrong here

    The System log shows admin actions and system events, but not real-time traffic denials; it would not show why a specific session was blocked.

  • Check the HIP Match log to see if the user's device lacks required security software.

    Why it's wrong here

    HIP Match logs are for GlobalProtect endpoint compliance; they are not typically triggered for general web browsing traffic.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Palo Alto Networks often tests the misconception that a security rule allowing traffic guarantees the traffic will pass, but the trap here is that secondary policies like URL filtering profiles can override the security rule action, so candidates must check both the Traffic log and the URL Filtering log first.

Trap categories for this question

  • Command / output trap

    The System log shows admin actions and system events, but not real-time traffic denials; it would not show why a specific session was blocked.

Detailed technical explanation

How to think about this question

Under the hood, Palo Alto Networks firewalls evaluate traffic in a specific order: security rules first, then policy-based forwarding, then profiles (including URL filtering). Even if a security rule permits the traffic, a URL filtering profile attached to that rule can block the session based on the URL category (e.g., 'unknown' or 'high-risk'). The Traffic log records the final action (allow/deny/drop) and the URL Filtering log provides the reason for the block, such as 'URL category blocked'. In a real-world scenario, a user might be trying to access a legitimate web application that is miscategorized, causing the block despite the security rule being permissive.

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.

Related practice questions

Related PCNSA practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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FAQ

Questions learners often ask

What does this PCNSA question test?

Policy Evaluation and Management — This question tests Policy Evaluation and Management — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Check the Traffic log and the URL Filtering log. — Option A is correct because when a security rule explicitly allows traffic but the traffic is still blocked, the issue often lies in a secondary policy layer. The Traffic log will show whether the session was denied or allowed, and if allowed, the URL Filtering log can reveal that the destination URL was categorized as blocked by the URL filtering profile, even though the security rule permits the traffic. This is a common scenario where the security rule permits the session but a URL filtering profile applied to that rule blocks the specific web application.

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.

Are there clue words in this question I should notice?

Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 30, 2026

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This PCNSA practice question is part of Courseiva's free Palo Alto Networks certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCNSA exam.