What is the problem with an interface if you type show interface serial 0 and receive the following message? Serial0 is administratively down, line protocol is down

The keepalives are different times.

The administrator has the interface shut down.

The administrator is pinging from the interface.

No cable is attached.

Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?

show running-config

show startup-config

show interfaces

show versions

If you delete the contents of NVRAM and reboot the router, what mode will you be in?

Privileged mode

Global mode

Setup mode

NVRAM loaded mode

46You type Router#sh ru and receive a % ambiguous command error. Why did you receive this message?

The command requires additional options or parameters.

There is more than one show command that starts with the letters ru.

There is no show command that starts with ru.

The command is being executed from the wrong router mode.

Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?

show version

show controllers

show ip interface

show running-config

Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?

show version

show interfaces

show controllers

show running-config

At which layer of the OSI model would you assume the problem is if you type show interface serial 1 and receive the following message? Serial1 is down, line protocol is down

Physical layer

Data Link layer

Network layer

None; it is a router problem.

What is the command confreg 0x2142 used for?

It is used to restart the router.

It is used to bypass the configuration in NVRAM.

It is used to enter ROM monitor mode.

It is used to view the lost password.

Which one is LAN according to the definition?

Campus network in one building

Countrywide network

Almatywide network

a network of an organization with offices in New York, Chicago and Almaty

Which command will copy the IOS to a backup host on your network?

transfer IOS to 172.16.10.1

copy run start

copy tftp flash

copy flash tftp

You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?

Router>ping

Router>trace

Router>show ip route

Router>show interface

Router>show cdp neighbor