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Exam NGFW-Engineer Topic 1 Question 12 Discussion

Actual exam question for Palo Alto Networks's NGFW-Engineer exam
Question #: 12
Topic #: 1
In an active/active high availability (HA) configuration with two PA-Series firewalls, how do the firewalls use the HA3 interface?

Suggested Answer: D Vote an answer

In an active/active HA configuration with two PA-Series firewalls, the HA3 interface is used primarily for the exchange of HA state information between the firewalls. This includes:
Hellos and heartbeats to monitor the status of the HA peer.
Synchronization of management plane data, which includes critical routing and User-ID information.

by Lyndon at Feb 16, 2026, 03:56 AM

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