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Decryption and MonitoringeasyMultiple ChoiceObjective-mapped

PCNSA Decryption and Monitoring Practice Question

Exhibit

Refer to the exhibit.
```
admin@PA-500> show log traffic | match 10.0.0.5
Time          Source       Dest         Application  Action   Decrypted
2023/01/01    10.0.0.5     192.168.1.1  ssl          allow    yes
2023/01/01    10.0.0.5     8.8.8.8      dns          allow    no
```

An administrator sees the above traffic log entries. What can be concluded about the traffic to 192.168.1.1?

⚠ Common exam trap

Palo Alto Networks often tests the misconception that SSL application traffic is automatically decrypted, but in reality, decryption requires an explicit policy rule; the trap here is confusing application identification with policy enforcement.

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

The traffic was decrypted because it matched a decryption policy.

The traffic log entries indicate that the session to 192.168.1.1 was decrypted, as shown by the decryption flag or action field (e.g., 'decrypt'). This occurs when the traffic matches a decryption policy configured on the firewall, typically for SSL/TLS inspection. The destination being internal (192.168.1.1) and the application being SSL are not sufficient conditions for decryption; a matching decryption rule is required.

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 traffic was decrypted because it matched a decryption policy.

    Why this is correct

    The 'Decrypted: yes' field indicates decryption was applied.

  • The traffic was decrypted because the application is SSL.

    Why it's wrong here

    While SSL is required for decryption, the policy is what triggers it.

  • The traffic was not decrypted because it matched a no-decrypt policy.

    Why it's wrong here

    The log shows 'yes' for decrypted.

  • The traffic was not decrypted because the destination is external.

    Why it's wrong here

    The destination is internal (192.168.1.1) and decrypted anyway.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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.