NGFW-Engineer PAN OS Device Setting Configuration Practice Question
You notice that the firewall is not identifying traffic as 'web-browsing' even though it is on port 80. What is the most likely cause?
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 is non-compliant with the standard protocol
App-ID relies on application signatures. If the traffic is not using standard HTTP, it will not be identified as web-browsing.
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 is non-compliant with the standard protocol
Why this is correct
If the traffic doesn't match the signature, it won't be identified as web-browsing.
- ✗
App-ID is disabled on the interface
Why it's wrong here
App-ID is always active on policies.
- ✗
Port 80 is not defined in the service object
Why it's wrong here
App-ID ignores ports for classification.
- ✗
The security policy is set to 'any' service
Why it's wrong here
This is correct practice for App-ID.
About these practice questions
This NGFW-Engineer question is part of Courseiva's 190-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Palo Alto Networks exam blueprint
This NGFW-Engineer 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 NGFW-Engineer exam.