Which of the following is true when IPv6 is enabled on a Security Gateway?

Which of the following is true when IPv6 is enabled on a Security Gateway?

A.
An interface on the Gateway can either have IPv4 or IPv6 IP address but cannot have
both.

B.
IPv4 will be completely disabled when IPv6 has been enabled.

C.
An interface on the Gateway can either have IPv4 or IPv6 IP address or have both.

D.
As of version R77, IPv6 is only supported on Security Management Server.