CH.15 Operating Cisco Routers

Question 1

What does the show ip interface brief command do and does it work on routers or switches

Answer 1

Displays a list with one line per interface, with some basic information, including the interface IP address and interface status and only works on routers

Question 2

What does the command show interfaces do and does it work on routers or switches

Answer 2

Lists the interfaces, but with a large amount of information per interface

Question 3

What does the first status code stand for

Answer 3

Refers to whether layer 1 is working

Question 4

What does the second status code refer to

Answer 4

Refers to whether the data-link layer protocol is working

Question 5

Administratively down , Down

Answer 5

The interface has a shutdown command configured on it

Question 6

Down , Down

Answer 6

The interface is not shutdown, but the physical layer has a problem.

Question 7

Up , Down

Answer 7

Data-link layer problems, most often configuration problems

Question 8

Up , Up

Answer 8

Layer 1 and Layer 2 of this interface are functioning

Question 9

What are the two things you must do to a cisco enterprise router before it can start routing packets

Answer 9

Enable it with the no shutdown command

Configure an ipaddress and subnet mask

Question 10

What command do you use to configure an ipaddress

Answer 10

ip address (address) (subnet mask)