Which three statements about the software requirements for a firewall failover configuration are true? (Choose three.)
A. The firewalls must be in the same operating mode.
B. The firewalls must have the same major and minor software version.
C. The firewalls must be in the same context mode.
D. The firewalls must have the same major software version but can have different minor versions.
E. The firewalls can be in different context modes.
F. The firewalls can have different Cisco AnyConnect images.
