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Introduction To The Cisco IOS

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. Ctrl+C
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
What keystroke will terminate setup mode?
Router(config)#enable password
Auxiliary port

2. Privileged mode
Router>enable
Router(config)#interface MFR
show inter et 0 and notice the port is administratively down
Router(config)#interface range

3. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
CLI
Setup mode
Router#exit
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR

4. Shows previous commands entered
Router(config)#enable secret
Down arrow
Router(config)#line console
Router#exit

5. Enable secret Cisco
Router>logout
Which of the following commands sets the secret password to Cisco?
Enter global configuration mode
Cisco IOS

6. No shut
Booting a router
Enable the interface
set the enable secret password to cisco
see the terminal history size

7. This tells the router to authenticate through a TACACS server
Router#help
Which command will delete the contents of NVRAM on a router?
Router(config)#enable use-tacacs
Enable the interface

8. Quick status of layers 1 and 2 of each interface as well as the IP addresses used
Router#sh protocols
Router(config-line)#logging synchronous
Router#help
Router#access-template

9. Command-line interface
CLI
Router(config-if)#bandwidth 64
Which of the following commands will configure all the default VTY ports on a router?
Atlanta#sh run

10. Change the running-config running in dynamic RAM (DRAM)
Router#clear counters s0/0
configure terminal (config t)
Router(config)#int fa 0/0
Router(config)#interface Lex

11. 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
set a serial interface to provide clocking to another router at 64Kb
Atlanta(config-if)#description Sales Lan
Used to verify configuration

12. Terminal controller
Router(config)#line tty
Router(config)#interface Lex
Router#enable
Router(config)#enable use-tacacs

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

14. Async Group interface
Router#terminal history size
view the config
Router(config)#line console 0
Router(config)#interface Group-Async

15. Sets the user-mode password for the auxiliary port. It's usually used for attaching a modem to the router - but it can be used as a console as well
Up arrow
Router(config)#line aux
Router(config)#banner motd
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

16. CTunnel interface
% Invalid input detected at '^' marker.
Router(config-subif)#
Router(config)#interface CTunnel
Router#debug

17. A line-activation (exec) banner to be displayed when an EXEC process is created
Enter interface configuration mode and configure serial 0/0
Router(config)#banner exec
Router(config)#router rip
Router#debug

18. Manage the system clock
Router#sh terminal
Router#clock
Router(config)#banner motd
Router#terminal history size

19. View the current config
Router(config)#interface Null
Atlanta#sh run
Which command will delete the contents of NVRAM on a router?
Configure the interface IP address to '10.1.5.255 255.255.252.0'

20. 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.
Router(config)#line x/y
Router#access-enable
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router#sh int fastethernet 0/0

21. Shows last command entered
Router(config)#line console 0
Attachment Unit Interface (AUI) connection
Router#disable
Up arrow

22. Open a terminal connection
Router#logout
Router#configure
Router#connect
Router(config)#interface Vif

23. Global configuration mode
Set telnet connection to have no password
Router#config t
Router#help
Router#login

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

25. Sets the enable password to todd
Router#clock
Router(config)#enable password todd
Router#access-enable
% Incomplete command

26. FastEthernet IEEE 802.3
Router#sh protocols
configure terminal (config t)
Router(config)#interface FastEthernet
Router(config)#interface MFR

27. Configure the bandwidth of a serial interface in kilobits
Router(config-if)#bandwidth 64
Router(config)#line aux 0
Router#logout
Router#debug

28. Exit the console
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
Router#help
Router#logout
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?

29. Erase start
Which command will delete the contents of NVRAM on a router?
You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?
Atlanta#sh start
Set telnet connection to have no password

30. The administrator has the interface shut down.
Router#copy
configure terminal (config t)
Atlanta#sh start
Serial0 is administratively down - line protocol is down

31. Debugging functions (see also 'undebug')
Router(config)#line tty
EXEC session
Router#debug
Router(config-subif)#

32. Bridge-Group Virtual Interface
Atlanta#sh start
What command do you type to save the configuration stored in RAM to NVRAM?
Router(config)#interface BVI
Router#access-enable

33. Cisco Internetwork Operating System
Router#disable
Router(config)#interface Multilink
Router#sh history
Cisco IOS

34. Description WAN to Miami

35. Names the router Todd; Todd(config)#
Atlanta#sh start
Router(config)#hostname Todd
Attachment Unit Interface (AUI) connection
Atlanta(config-if)#description Sales Lan

36. Clear counters on an interface
Atlanta(config-if)#description Sales Lan
Router#clear counters s0/0
Router>sh controllers s 0
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR

37. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
Router(config)#line tty
Setup mode
Atlanta(config-if)#description Sales Lan
Router(config)#banner motd

38. Copy start run doesn't replace the configuration - it appends it. To completely replace the running-config with the startup-config - you must reload the router.
Attachment Unit Interface (AUI) connection
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
see the terminal history size

39. Config t - line vty 0 4 - no login
Which of the following commands sets the secret password to Cisco?
Atlanta(config-if)#description Sales Lan
Router(config)#enable password todd
Set telnet connection to have no password

40. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Router(config)#line aux
Router#sh terminal
Router(config-router)#
Bring up Ethernet0

41. Interface range command
Router#config t
Configure the interface IP address to '10.1.5.255 255.255.252.0'
What keystroke will terminate setup mode?
Router(config)#interface range

42. Sets the enable secret password to todd
Auxiliary port
Router(config)#enable secret todd
Router(config)#interface Null
Router#debug

43. PGM Multicast Host interface
Router(config)#interface Vif
Router(config-subif)#
set the name of a router to Chicago
Router#erase

44. Log in as a particular user
CLI
Router#login
Enter interface configuration mode and configure serial 0/0
Which of the following commands will configure all the default VTY ports on a router?

45. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router(config)#line tty
Router(config)#enable use-tacacs
Router(config)#service password-encryption
Router#access-enable

46. Sets a console user-mode password
Configure an IP address on e0
Enter interface configuration mode and configure serial 0/0
Bring up Ethernet0
Router(config)#line console

47. Reset functions
Router#clear
configure network (config net)
Router#copy
Router#configure

48. Exit the console
Router#exit
Router#disable
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router>

49. 10Mbps Ethernet network connection
Attachment Unit Interface (AUI) connection
Atlanta#sh run
Router#access-profile
Router(config)#interface Multilink

50. Banner motd
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#banner motd
% Invalid input detected at '^' marker.
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?