NGFW-Engineer PAN OS Networking Configuration Practice Question
What is a 'Layer 3' interface in PAN-OS?
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
✓
Interface assigned an IP and virtual router
A Layer 3 interface is assigned an IP address and is associated with a virtual router to route traffic based on the routing table.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Interface assigned an IP and virtual router
Why this is correct
L3 interfaces operate at the network layer.
- ✗
Interface bundled for link aggregation
Why it's wrong here
That is an AE interface.
- ✗
Interface used only for management
Why it's wrong here
That is the MGT interface.
- ✗
Interface that passes all traffic without inspection
Why it's wrong here
This is a virtual wire or tap interface.
About these practice questions
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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.