Which three configurations are prerequisites for stateful failover for IPsec? (Choose three.)

A.
Only the IKE configuration that is set up on the active device must be duplicated on the
standby device; the IPsec configuration is copied automatically.

B.
Only crypto map configuration that is set up on the active device must be duplicated on the
standby device.

C.
The IPsec configuration that is set up on the active device must be duplicated on the standby
device.

D.
The active and standby devices can run different versions of the Cisco IOS software but need
to be the same type of device.

E.
The active and standby devices must run the same version of the Cisco IOS software and
should be the same type of device.

F.
Only the IPsec configuration that is set up on the active device must be duplicated on the
standby device; the IKE configuration is copied automatically.

G.
The IKE configuration that is set up on the active device must be duplicated on the standby
device.