NGFW-Engineer PAN OS Networking Configuration Practice Question
How do you add a new interface to an existing zone?
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
✓
Edit the zone and add the interface
In the Network > Zones tab, select the desired zone and add the interface to the 'Interfaces' list in the zone configuration window.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use the CLI to move the interface
Why it's wrong here
While possible, the GUI is the standard method.
- ✗
Recreate the zone with all interfaces
Why it's wrong here
This is inefficient.
- ✗
Update the virtual router settings
Why it's wrong here
VR does not manage zone membership.
- ✓
Edit the zone and add the interface
Why this is correct
Interface is added via the Zone edit window.
- ✗
Edit the interface and add the zone
Why it's wrong here
You can assign a zone to an interface, but adding to a zone is usually managed under the zone object.
About these practice questions
One of 190 original NGFW-Engineer practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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.