NAT specific question: What are the Hide Mode limitations?

A.
Hide Mode cannot be used when the external server must distinguish between clients based on their IP address, since all clients share the same IP address under Hide Mode

B.
Hide Mode cannot be used for protocols where the port number cannot be changed

C.
Hide Mode must be used for connections initiated by hosts in an internal network, where the host’s IP addresses are invalid

D.
Hide Mode can be used when the external server must distinguish between clients based on their IP address, since all clients share the same IP address under Hide Mode

E.
Hide Mode does not allow access to the “hidden” hosts to be initiated from the outside