5 - Device Management

Question 1

What is the most basic way to interact with a switch or router?

Answer 1

console session

Question 2

What type of cable is used to connect to the console port?

Answer 2

rollover cable

Question 3

What command/commands can be issued to cause a console session to never timeout?

Answer 3

no exec-timeout

exec-timeout 0 0

Question 4

What is different between the aux port and the console port?

Answer 4

aux port is configured to use the modem handshake protocol by default

Question 5

How do you configure the console or aux port?

Answer 5

by issuing the line command in global configuration mode

Question 6

What is required for vty access?

Answer 6

One accessible interface

Question 7

What are the two primary types of vty connections supported on cisco devices?

Answer 7

telnet

ssh

Question 8

What command is used to configure ssh on a vty line?

Answer 8

transport input ssh

Question 9

How do you suspend a telnet/ssh session?

Answer 9

control shift 6 x key sequence

Question 10

How do you return to a suspended telnet/ssh session?

Answer 10

resume command

Question 11

When issuing the sh ip ssh version command what will you see?

Answer 11

ssh version 1.5 indicates you are using ssh 1
ssh version 2.0 indicates you are using ssh 2
ssh version 1.9 indicates you are using ssh 1 and 2

Question 12

What is required to correctly configure ssh on a cisco device?

Answer 12

hostname
domain name
rsa encryption key

Question 13

What is required to be configured on a remote management port before you can access it?

Answer 13

ip address on the management port

default gateway on the router

Question 14

What mode are you in when you see the router> prompt?

Answer 14

User exec mode

Question 15

What mode are you in when you see the router# prompt?

Answer 15

Privileged exec mode

Question 16

How do you access privileged exec mode?

Answer 16

from user exec mode you issue the enable comand

Question 17

What mode are you in when you see the router (config) # prompt?

Answer 17

Global configuration mode

Question 18

How do you access global configuration mode?

Answer 18

from privileged exec mode you issue the configuration terminal command

Question 19

What mode are you in when you see the router (config-if) # prompt?

Answer 19

interface configuration mode

Question 20

What mode are you in when you see the router (config-line # prompt?

Answer 20

line configuration mode

Question 21

What mode are you in when you see the router (config-router) # prompt?

Answer 21

router configuration mode

Question 22

How do you use context-sensitive help in ios?

Answer 22

? key

Question 23

Can you use the help command?

Answer 23

Yes, help command will show you a list of available commands but not provide context-sensitive help

Question 24

During a session, the _________________ is retained and can be access for easy entry of repetitive commands.

Answer 24

command history

Question 25

How do you use abbreviated commands in the command line?

Answer 25

type only enough characters of the command to identify it as unique

Question 26

What does the tab shortcut do?

Answer 26

autocompletes a command

Question 27

What does Ctrl-W shortcut do?

Answer 27

removes a word

Question 28

What does Ctrl-U shortcut do?

Answer 28

removes a line

Question 29

What does Ctrl-A shortcut do?

Answer 29

moves the cursor to the beginning of a line

Question 30

What does Ctrl-z shortcut do?

Answer 30

terminates configuration mode

Question 31

What does the up arrow shortcut do?

Answer 31

scrolls through the previously issued commands

Question 32

What does the ? shortcut do?

Answer 32

displays context-sensitive help

Question 33

What are the steps in the Cisco boot process?

Answer 33

1. device performs power-on self tests (post) checks 2. the bootstrap program is loaded and executed 3. the bootstrap program loads ios image 4. ios loads a config file from nvram and puts in dram for operation 5. the device is placed into user exec mode

Question 34

What is rom on a cisco device?

Answer 34

read-only memory stores a limited ios image

Question 35

What is the default location a cisco device attempts to load an ios image from?

Answer 35

flash memory

Question 36

what are the locations a cisco device attempts to locate a valid ios image?

Answer 36

in order: 1. local storage 2. remote storage 3. rom

Question 37

What is the boot system command used for?

Answer 37

to specify the location of the ios to boot

Question 38

What is the default configuration register?

Answer 38

0x2102

Question 39

How do you view the current configuration register?

Answer 39

sh version

Question 40

What is config register 0x2101 used for?

Answer 40

boot to the bootstrap program to run diagnostics on the router

Question 41

What is config register 0x2120 used for?

Answer 41

boot to rommon

Question 42

What is config register 0x2122 used for?

Answer 42

boot to an ios image stored in flash memory with console speed of 19200 baud

Question 43

What is config register 0x2142 used for?

Answer 43

configures router to disregard the contents of nvram ignoring the config file allowing you to create an initial config for the router

Question 44

What is config register 0x3122 used for?

Answer 44

boot to an ios image if a valid image exists with a console speed of 57600 baud

Question 45

What is automated setup?

Answer 45

setup basic configuration parameters on initial configuration: 1. host name 2. enable password 3. enable secret 4. vty password 5. ip addressing for interfaces

Question 46

What is manual setup mode?

Answer 46

you manually set configuration parameters using the cli

Question 47

What is the service config command used for?

Answer 47

the device will attempt to download configuration file from default ip address of 255.255.255.255

Question 48

What are the boot network and boot host commands used for?

Answer 48

used to set the tftp server address to be used by service config

Question 49

What command can be used to copy the running config to the start up config?

Answer 49

copy running-config startup-config

Question 50

What is the open standard of CDP?

Answer 50

LLDP or link layer discovery protocol

Question 51

What layer does LLDP and CDP operate at?

Answer 51

Layer 2

Question 52

What type of information is collected by sh CDP neighbors?

Answer 52

the device id of the neighboring device the capabilities of the neighboring device the product number of the neighboring device the hold time the local interface the remote interface

Question 53

What type of information is collected by sh CDP neighbors detail?

Answer 53

the device id of the neighboring device the capabilities of the neighboring device the product number of the neighboring device the hold time the local interface the remote interface Plus: the layer 3 address of the neighboring device the native vlan the vtp domain

Question 54

what is sh cdp entry command used for?

Answer 54

used to only view the requested information, example are sh cdp entry router1 would show you the output of sh cdp neighbor details for only router1, sh cdp entry router1 version would show you the version information for router1

Question 55

How do you disable CDP globally on a device?

Answer 55

no cdp run

Question 56

How do you disable CDP on an interface?

Answer 56

no cdp enable

Question 57

How do you disable lldp globally?

Answer 57

no lldp run

Question 58

What is the show controllers command used for?

Answer 58

used to display statistics about the interface card controllers, it can be used to see what side of the serial connection is the dte (data terminal equipment) or dce (data communications equipment)

Question 59

What is the show protocols command used for?

Answer 59

used to display layer 1 and layer 2 status of each interface as well as the ip address for each interface

Question 60

What are debug commands used for?

Answer 60

enable an administrator to view traffic and information in real time as it happens

Question 61

How can you disable debug?

Answer 61

no appended to the beginning of the debug command used or no debug all

Question 62

What does the no logging console command do?

Answer 62

disables echoing to the console

Question 63

What does the terminal monitor command do?

Answer 63

enables echoing to the telnet or ssh vty session

Question 64

What type of messages does the ping command use to test connectivity?

Answer 64

ICMP or internet control message protocol echo messages

Question 65

What type of messages are received when a host cannot be pinged successfully?

Answer 65

ICMP destination unreachable

Question 66

What type of messages does the traceroute command use to test the path?

Answer 66

UDP with a ttl value of 1 to an invalid port number

Question 67

How does traceroute work?

Answer 67

UDP traffic with a low ttl causes the router at each hop to reply with an ICMP TEM or time exceeded message

Question 68

What does the * indicate in a traceroute command?

Answer 68

the timer expires before it receives a TEM or destination unreachable