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Introduction To The Cisco IOS

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Router(config)#enable last-resort
Router>sh controllers s 0
outer#disconnect
% Ambiguous command:

2. Setup mode
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router(config)#line console 0
Router#terminal history size
Router(config-line)#

3. Apply user-profile to interface
Setup mode
Router#access-profile
Down arrow
delete the configuration stored in NVRAM

4. Bridge-Group Virtual Interface
Router(config)#interface BVI
set a serial interface to provide clocking to another router at 64Kb
Which of the following commands will configure all the default VTY ports on a router?
Router(config)#line aux

5. Reset functions
EXEC session
Router(config)#interface Lex
Down arrow
Router#clear

6. Shows terminal configurations and history buffer size
Router#exit
Router#sh history
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router#sh terminal

7. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Router#copy
Router#clear counters s0/0
Booting a router
Router(config)#$

8. This is the newer - encrypted password that overrides the enable password if it's set
Router(config)#int ethernet 0
Router(config)#enable secret
Serial0 is administratively down - line protocol is down
Router(config-router)#

9. The show controllers serial 0 command will show you whether either a DTE or DCE cable is connected to the interface. If it is a DCE connection - you need to add clocking with the clock rate command.
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
see if a serial interface needed to provide clocking
outer#disconnect

10. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Router(config)#int fa 0/0
Add a secondary IP address
% Invalid input detected at '^' marker
Bandwidth

11. Multilink Frame Relay bundle interface
Set telnet connection to have no password
Router(config)#interface MFR
Router#sh version
Router(config)#interface range

12. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router#disable
Router#connect
Router(config)#line x/y
Router(config)#service password-encryption

13. Part of the command is missing.
% Invalid input detected at '^' marker.

14. Config t - hostname Chicago
see the terminal history size
view the config
set the name of a router to Chicago
Router(config-if)#

15. Enable secret Cisco
global command
Enable the interface
Which of the following commands sets the secret password to Cisco?
Router(config)#router rip

16. Async interface
Used to verify configuration
Router#sh protocols
Router(config)#interface Async
Router(config)#line <0-70>

17. This tells the router to authenticate through a TACACS server
Router#connect
Router(config)#enable use-tacacs
Router(config)#interface Dialer
Router(config)#interface Virtual-TokenRing

18. Indicates that the line has been scrolled to the left
Router(config)#line <0-70>
% Invalid input detected at '^' marker
Router(config)#line aux
Router(config)#$

19. Loopback interface
Router#disable
Router(config)#interface CTunnel
Router(config)#int fa 0/0
Router(config)#interface Loopback

20. RJ-45 (8-pin modular) port; no password by default
Console port
Router(config)#router rip
Router(config)#interface Lex
Router(config)#banner incoming

21. Description WAN to Miami

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22. A line-activation (exec) banner to be displayed when an EXEC process is created
Router#sh int fastethernet 0/0
Router#debug
Router(config)#banner exec
Router(config)#line aux

23. Interface range command
Router(config)#interface range
Cisco IOS
Which command will delete the contents of NVRAM on a router?
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

24. Exit from the EXEC
Router(config)#banner
Router#exit
Down arrow
Router#disable

25. Tunnel interface
Router(config)#interface Vif
% Ambiguous command:
Router#access-template
Router(config)#interface Tunnel

26. Lex interface
Router#logout
Router(config)#enable password
Router(config)#line aux
Router(config)#interface Lex

27. Banner motd
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config-router)#
Router#clear

28. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Add a secondary IP address
Router(config)#banner motd
Router(config)#hostname Todd
What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive: Serial1 is a down - line protocol is down

29. Cisco CLI that exists in user mode and privileged mode
Up arrow
EXEC session
reinitialize the router and totally replace the running-config with the current startup-config
Router(config)#banner login

30. Configure the bandwidth of a serial interface in kilobits
Router#help
Router(config-if)#bandwidth 64
Router#disable
Router(config)#interface Virtual-Template

31. Show protocols - show interfaces - show ip interface
Router#sh terminal
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Auxiliary port
% Invalid input detected at '^' marker

32. First Line number
Enable the interface
Router(config)#line <0-70>
Router(config-subif)#
Router#help

33. Allows you to still enter the router if you set up authentication through a TACACS server and it's not available. But it isn't used if the TACACS server is working.
Router(config)#enable secret
Router(config)#line console
Which of the following commands will configure all the default VTY ports on a router?
Router(config)#enable last-resort

34. Show terminal
What keystroke will terminate setup mode?
see the terminal history size
Router#configure
Router(config)#line tty

35. Physical layer
What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive: Serial1 is a down - line protocol is down
Router>enable
Router(config)#int fa 0/0
Router(config)#interface range

36. View the current config
Router(config-line)#
Router(config-if)#clock rate 64000
Up arrow
Atlanta#sh run

37. There is more than one show command sthat starts with the letters ru.
Router(config)#interface Async
Router>logout
Router(config)#interface Multilink
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?

38. A login banner to be displayed on all connected terminals; displayed after the MOTD banner but before the login prompts; delete it with the no banner login command
Router(config)#banner login
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#lock
Router(config)#interface Loopback

39. Command string isn't done yet
Router>logout
Router(config)#interface Virtual-TokenRing
% Incomplete command
Router#bfe

40. Sets the telnet password
Atlanta(config-if)#description Sales Lan
Router(config-line)#line vty 0 4
What keystroke will terminate setup mode?
Router#config t

41. Allows you to configure modem commands so that a modem can be connected to the router
Auxiliary port
Atlanta#sh run
Router(config-if)#clock rate 64000
% Invalid input detected at '^' marker.

42. Sets the console password
Password required - but none set: Which of the following sequences will address this problem correctly?
Router#sh version
Router(config)#line aux
Router(config)#line console 0

43. Erase start
Which command will delete the contents of NVRAM on a router?
Router#connect
see if a serial interface needed to provide clocking
Tab

44. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Router(config-line)#logging synchronous
Router>sh controllers s 0
Atlanta#copy run start
Atlanta#sh start

45. Access from console port - -modem into AUX port - and telnet
Router#access-enable
Router(config-if)#bandwidth 64
view the config
EXEC session

46. Log in as a particular user
Router#login
Router(config)#line aux 0
Router#debug
Router(config)#line console

47. Sets the enable secret password to todd
Serial interfaces
Router(config)#enable secret todd
Router(config)#$
Router#mrinfo

48. Sets the aux password; Router(config-line)#password todd; Router(config-line)#login
% Incomplete command
Serial0 is administratively down - line protocol is down
Router#sh running-config (sh run)
Router(config)#line aux 0

49. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Router(config)#enable password
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#sh int fastethernet 0/0
Router#sh controllers serial 0/0

50. Copy configuration or image data
Atlanta#copy run start
Router(config)#banner incoming
Router#copy
Router(config)#int ethernet 0

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Introduction To The Cisco IOS

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