In an active/active high availability (HA) configuration with two PA-Series firewalls, how do the firewalls...

Paloalto Networks NGFW-Engineer Question Answer

In an active/active high availability (HA) configuration with two PA-Series firewalls, how do the firewalls use the HA3 interface?

To forward packets to the HA peer during session setup and asymmetric traffic flow

To exchange hellos, heartbeats, HA state information, and management plane synchronization for routing and User-ID information

To synchronize sessions, forwarding tables, IPSec security associations, and ARP tables between firewalls in an HA pair

To perform session cache synchronization among all HA peers having the same cluster ID

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