You type the following command into the router and receive the following output:Router#show serial 0/0
^
% Invalid input detected at '^' marker.Why was this error message displayed?

Question

You can view the interface statistics from user mode, but the command isshow interface serial 0/0.

Accepted Answer

The router does not have a serial0/0 interface.

Answer

You need to be in privileged mode.

Answer

You cannot have a space between serial and 0/0.

Answer

Part of the command is missing.