Which two prerequisites are required for an HSRP interface to come up? (Choose two.)

Which two prerequisites are required for an HSRP interface to come up? (Choose two.)
A . The virtual IP address must be in the same subnet as the interface IP address.
B . Configure an physical IP address for the interface and enable that interface before HSRP becomes active
C . It requires to configure more than one first-hop redundancy protocol on the same interface.
D . Configure HSRP version 2 to interoperate with HSRP version 1.
E . The virtual IP address is prohibited to be in the same subnet as the interface IP address under IPv4.

Answer: AB