Which of the following causes is the most impossible?

A network administrator fails to access devices on the internal network through Telnet.

Which of the following causes is the most impossible?
A . The route is unreachable, and the client fails to establish a TCP connection with the server
B. The number of login users reaches the upper limit.
C. An ACL is bound in the VTY user interface view.
D. The protocol inbounds all command is configured in the VTY user interface view.

View Answer

Answer: D