An administrator observes that the port1 interface cannot be configured with an IP address. What can be the reasons for that? (Choose three.)

An administrator observes that the port1 interface cannot be configured with an IP address. What can be the reasons for that? (Choose three.)
A . The interface has been configured for one-arm sniffer.
B . The interface is a member of a virtual wire pair.
C . The operation mode is transparent.
D . The interface is a member of a zone.
E . Captive portal is enabled in the interface.

Answer: B,C,D