A network engineer types the following commands on a production (live) router th

Question

A network engineer types the following commands on a production (live) router that is connected to a WAN link from NY to CA.
interface serial 0/3/1
ip address 206.167.54.1 255.255.255.0
description "Connection to CA."
end
The network engineer types show ip interface brief and notices that the interface is in the administratively down state. What can the network engineer do to resolve this problem?

Enable clocking for the serial interface - clock rate 64000.
       Type no shutdown to fix the problem.
       Type a valid IPv4 address on the interface.
       Make sure the remote router is connected.
       Make sure the speed on both routers matches.

Explanation / Answer

administratively down state means the interface has been disabled,preventing one to connect into the network.

In such a case

to enable the interface ,both the ends have to be configured again either by "no shot" or "enable"

so the answer is

Type no shut down to fix the problem.

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