Which statement is true about configuring the Cisco ASA for Active/Standby failover?

Which statement is true about configuring the Cisco ASA for Active/Standby failover?

A.
All versions of Cisco ASA software need to have the same licensing on both devices.

B.
Both devices perform load sharing until a failure occurs.

C.
All VPN-related configurations and files are automatically replicated.

D.
VPN images, profiles, and plug-ins must be manually provisioned to both devices.