Which two configurations are valid？（）

A.from a zone to the device itself
B.from a zone to the same zone
C.from a zone to a different zone
D.from one interface to another interface

A.A zone defines a group of security devices with a common management.
B.A zone defines the geographic region in which the security device is deployed.
C.A zone defines a group of network segments with similar security requirements.
D.A zone defines a group of network segments with similar class-of-service requirements.