Configuring a Network Operating System Chap 2

Question 1

What is the portion of the OS code that interacts directly with the computer hardware?

Answer 1

kernel

Question 2

The user interface that allows users to request specific tasks from the computer either through the cli or gui interfaces

Answer 2

shell

Question 3

What is the physical part of a computer including underlying electronics?

Answer 3

hardware

Question 4

What is the semi-permanent memory where the IOS file is stored?

Answer 4

flash

Question 5

Where is the IOS copied to when the device is powered on?

Answer 5

RAM

Question 6

What are the 3 ways to access the CLI environment?

Answer 6

console, telnet or ssh, aux port

Question 7

Which port provides out-of-band and is preferred because it provides troubleshooting (startup, debugging, and error messages)?

Answer 7

Console port

Question 8

Method for remotely establishing a CLI session of a device, through a virtual interface, over a network.

Answer 8

telnet or ssh

Question 9

Provides remote login with stronger password authentication and uses encryption when transporting session data.

Answer 9

secure shell or ssh

Question 10

An older way, also out-of-band, to establish a CLI session remotely is via a telephone dialup connection using a modem connected to the:

Answer 10

auxiliary port

Question 11

You are in the equipment room with a new switch that needs to be configured. Which access method would you use?

Answer 11

Console

Question 12

The device you are configuring cannot be accessed by cable, because you are not in the building. You use a telephone to dial into it. Which access method would you use?

Answer 12

Aux

Question 13

Your manager gives you a special cable and tells you to use it to configure the switch. Which access method would you use?

Answer 13

Console

Question 14

You access the IOS by using another intermediary device over a network connection. Which access method would you use?

Answer 14

Telnet/SSH

Question 15

You are on vacation and need to check on one of your routers. The only access you have is your hotel analog phone. Which access method would you use?

Answer 15

Aux

Question 16

You do not need remote access services to the networking device to configure it because the device is physically accessible to you. Which access method would you use?

Answer 16

Console

Question 17

You call your manager to tell him you cannot access your router in another city over the Internet. He provides you with the information to access the switch through a telephone connection. Which access method would you use?

Answer 17

Aux

Question 18

The password for a device was changed. No one knows what the new password is and you need to reset a new password. Which access method would you use?

Answer 18

Console

Question 19

You use a password-encrypted connection to remotely access a device over a network. Which access method would you use?

Answer 19

telnet/ssh

Question 20

IOS mode that allows only a limited number of basic monitoring commands and is often referred to as view-only mode.

Answer 20

user exec mode

Question 21

IOS mode that allows all monitoring commands by default as well as execution of configuration and management commans.

Answer 21

privileged exec mode

Question 22

identified by the cli prompt that ends with > symbol

Answer 22

user exec mode

Question 23

mode can be identified by the prompt ending with the # symbol

Answer 23

privileged exec mode

Question 24

The primary configuration mode, configuration changes are made here that affect the operation of the device as a whole.

Answer 24

global configuration mode

Question 25

mode that can be identified with (config)#

Answer 25

global configuration mode

Question 26

mode that can be identified with (config-if)#

Answer 26

interface mode

Question 27

mode that can be identified with (config-line)#

Answer 27

line mode

Question 28

Allows the user to scroll forward through former commands

Answer 28

Down Arrow

Question 29

Allows the user to scroll backward through former commands

Answer 29

Up Arrow

Question 30

Completes the remainder of a partially typed command or keyword

Answer 30

tab

Question 31

Moves to the beginning of the line

Answer 31

ctrl-a

Question 32

Moves to the end of the line

Answer 32

Ctrl-E

Question 33

Redisplays a line

Answer 33

ctrl-r

Question 34

Exits the configuration mode and returns to user EXEC

Answer 34

ctrl-z

Question 35

Exits the configuration mode or aborts the current command

Answer 35

Ctrl-C

Question 36

Allows the user to interrupt an IOS process such as ping or traceroute

Answer 36

Ctrl-Shift-6

Question 37

Hostname guidelines for naming conventions are that names should:

Answer 37

``` Start with a letter Contain no spaces End with a letter or digit Use only letters, digits, and dashes Be less than 64 characters in length ```

Question 38

Limits access to the privileged EXEC mode

Answer 38

enable password

Question 39

Encrypted, limits access to the privileged EXEC mode

Answer 39

enable secret

Question 40

Limits device access using the console connection

Answer 40

console password

Question 41

Limits device access over Telnet

Answer 41

vty password

Question 42

the banner that will be displayed on all subsequent attempts to access the device until the banner is removed.

Answer 42

motd banner

Question 43

command that is the best way to return a the configuration back to the original configuration assuming that we have not overwritten the startup config with the changes

Answer 43

reload

Question 44

command to clear the startup config

Answer 44

erase startup-config

Question 45

command that needs to be used to delet the vlan data when returning a device to its default out of box configuration

Answer 45

delete vlan.dat

Question 46

command that lists the complete configuration currently active in RAM

Answer 46

show running-config

Question 47

command that lists the configuration currently in nvram

Answer 47

show startup-config

Question 48

command to copy the configuration in RAM into NVRAM

Answer 48

copy running-config startup-config

Question 49

what is the address that is defined by the TCP/IP protocol as a reserved address that routes packets back to the host.

Answer 49

loopback address 127.0.0.1