Which two conditions are prerequisites for stateful failover for IPsec? (Choose two.)
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. The active and standby devices can run different versions of the Cisco IOS software but must be the same type of device
C. The IPsec configuration that is set up on the active device must be duplicated on the standby device
D. 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
E. The active and standby devices must run the same version of the Cisco IOS software and must be the same type of device