5 - Device Management Flashcards

1
Q

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

A

console session

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

rollover cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

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

A

no exec-timeout

exec-timeout 0 0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

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

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How do you configure the console or aux port?

A

by issuing the line command in global configuration mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is required for vty access?

A

One accessible interface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

telnet

ssh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A

transport input ssh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How do you suspend a telnet/ssh session?

A

control shift 6 x key sequence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

resume command

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

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

A

hostname
domain name
rsa encryption key

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

A

ip address on the management port

default gateway on the router

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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

A

User exec mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

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

A

Privileged exec mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How do you access privileged exec mode?

A

from user exec mode you issue the enable comand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

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

A

Global configuration mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How do you access global configuration mode?

A

from privileged exec mode you issue the configuration terminal command

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

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

A

interface configuration mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

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

A

line configuration mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

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

A

router configuration mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

How do you use context-sensitive help in ios?

A

? key

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Can you use the help command?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

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

A

command history

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

How do you use abbreviated commands in the command line?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What does the tab shortcut do?

A

autocompletes a command

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What does Ctrl-W shortcut do?

A

removes a word

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What does Ctrl-U shortcut do?

A

removes a line

29
Q

What does Ctrl-A shortcut do?

A

moves the cursor to the beginning of a line

30
Q

What does Ctrl-z shortcut do?

A

terminates configuration mode

31
Q

What does the up arrow shortcut do?

A

scrolls through the previously issued commands

32
Q

What does the ? shortcut do?

A

displays context-sensitive help

33
Q

What are the steps in the Cisco boot process?

A
  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
34
Q

What is rom on a cisco device?

A

read-only memory stores a limited ios image

35
Q

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

A

flash memory

36
Q

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

A

in order:

  1. local storage
  2. remote storage
  3. rom
37
Q

What is the boot system command used for?

A

to specify the location of the ios to boot

38
Q

What is the default configuration register?

A

0x2102

39
Q

How do you view the current configuration register?

A

sh version

40
Q

What is config register 0x2101 used for?

A

boot to the bootstrap program to run diagnostics on the router

41
Q

What is config register 0x2120 used for?

A

boot to rommon

42
Q

What is config register 0x2122 used for?

A

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

43
Q

What is config register 0x2142 used for?

A

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

44
Q

What is config register 0x3122 used for?

A

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

45
Q

What is automated setup?

A

setup basic configuration parameters on initial configuration:

  1. host name
  2. enable password
  3. enable secret
  4. vty password
  5. ip addressing for interfaces
46
Q

What is manual setup mode?

A

you manually set configuration parameters using the cli

47
Q

What is the service config command used for?

A

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

48
Q

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

A

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

49
Q

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

A

copy running-config startup-config

50
Q

What is the open standard of CDP?

A

LLDP or link layer discovery protocol

51
Q

What layer does LLDP and CDP operate at?

A

Layer 2

52
Q

What type of information is collected by sh CDP neighbors?

A

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

53
Q

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

A

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

54
Q

what is sh cdp entry command used for?

A

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

55
Q

How do you disable CDP globally on a device?

A

no cdp run

56
Q

How do you disable CDP on an interface?

A

no cdp enable

57
Q

How do you disable lldp globally?

A

no lldp run

58
Q

What is the show controllers command used for?

A

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)

59
Q

What is the show protocols command used for?

A

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

60
Q

What are debug commands used for?

A

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

61
Q

How can you disable debug?

A

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

62
Q

What does the no logging console command do?

A

disables echoing to the console

63
Q

What does the terminal monitor command do?

A

enables echoing to the telnet or ssh vty session

64
Q

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

A

ICMP or internet control message protocol echo messages

65
Q

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

A

ICMP destination unreachable

66
Q

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

A

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

67
Q

How does traceroute work?

A

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

68
Q

What does the * indicate in a traceroute command?

A

the timer expires before it receives a TEM or destination unreachable