Which setting is optional when configuring two Cisco ASA firewalls for failover?

Which setting is optional when configuring two Cisco ASA firewalls for failover?
A . identical RAM installed
B . same context mode
C . same AnyConnect images
D . identical licenses

View Answer

Answer: D

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/security/asa/asa95/configuration/general/asa­95-generalconfig/

ha-failover.pdf