NGFW-Engineer PAN OS Networking Configuration Practice Question
What happens to established sessions during an HA failover?
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
✓
Sessions are maintained if sync is enabled
If 'Session Synchronization' is enabled, the session table is synchronized, allowing established sessions to persist through the failover without being dropped.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Only TCP sessions are maintained
Why it's wrong here
All sessions are synced.
- ✗
The firewall forces a TCP reset
Why it's wrong here
A successful failover keeps sessions alive.
- ✓
Sessions are maintained if sync is enabled
Why this is correct
Session sync allows stateful failover.
- ✗
All sessions are terminated
Why it's wrong here
Only if sync is disabled or fails.
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.