Which can be done to secure the virtual terminal interfaces on a router?()
A、A.Administratively shut down the interfaces.
B、B.Physically secure the interfaces.
C、C.Configure a virtual terminal password and login process.
D、D.Enter an access list and apply it to the terminal interfaces using the access-class command.
E、E.Create an access list and apply it to the terminal interfaces using the access-group command.