You want the text "Unauthorized access prohibited!" to be displayed before the login prompt every time someone tries to initiate a Telnet session to a router, as shown in the example below:<br /> <img src="https://nimg.ppkao.com/2018-07/longzhengxuan/2018073010072354643.jpg?sign=5dc8958e159a71f12ed0405354dea4f4&t=62d0bae0" /><br /> Which command can be used to configure this message?()
A、login banner x Unauthorized access prohibited! X
B、banner exec y Unauthorized access prohibited! Y
C、banner motd x Unauthorized access prohibited! X
D、vtv motd "Unauthorized access prohibited!"