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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. Displays information about the physical interface itself. It'll also give you the type of serial cable plugged into a serial port. Usually - this will only be a DTE cable that plugs into a type of data service unit (DSU)
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#line aux 0
Router#sh controllers serial 0/0
Router#debug

2. Config t - int e0 - no shut
Router#exit
show inter et 0 and notice the port is administratively down
Router(config)#banner
Bring up Ethernet0

3. This is the newer - encrypted password that overrides the enable password if it's set
Password required - but none set: Which of the following sequences will address this problem correctly?
Router#debug
Router(config)#enable secret
Auxiliary port

4. Multiple commands that begin with the string you entered and it's not unique - use the '?'
% Ambiguous command:
Router#sh ip interface (brief)
Router(config)#service password-encryption
configure network (config net)

5. Go back from privileged mode into user mode
configure terminal (config t)
set the enable secret password to cisco
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router#disable

6. Enable secret Cisco
Which of the following commands sets the secret password to Cisco?
Router(config)#line x/y
Used to verify configuration
Serial interfaces

7. Async interface
Auxiliary port
Router(config)#line x/y
Router(config)#interface FastEthernet
Router(config)#interface Async

8. Config t - line vty 0 4 - no login
Set telnet connection to have no password
Router(config)#banner
Router(config)#enable password todd
Router(config)#interface Vif

9. Router#copy run startup
Router(config)#interface range
What command do you type to save the configuration stored in RAM to NVRAM?
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router#clock

10. Config t
Enter global configuration mode
Enter interface configuration mode and configure serial 0/0
Router#sh terminal
What command do you type to save the configuration stored in RAM to NVRAM?

11. FastEthernet IEEE 802.3
If you wanted administrators to see a message when logging into the router - which command would you use?
Router#sh protocols
Router#access-profile
Router(config)#interface FastEthernet

12. Subinterfaces allow you to create logical interfaces within the router
EXEC session
Router#sh terminal
Router(config-subif)#
configure memory (config mem)

13. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Router(config)#banner login
Setup mode
Router(config)#interface Multilink
Bring up Ethernet0

14. Bridge-Group Virtual Interface
Router#
Tab
Router(config)#interface BVI
Enter global configuration mode

15. Multilink Frame Relay bundle interface
Router(config)#interface MFR
Router(config-if)#clock rate 64000
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
Router(config)#int fa 0/0

16. Set only once and affects the entire router
Router(config)#interface Loopback
Atlanta(config-if)#description Sales Lan
global command
Console port

17. WAN connections
Router(config-line)#
Serial interfaces
Router#sh controllers serial 0/0
Router(config-if)#bandwidth 64

18. Interface range command
Router(config)#interface range
Router(config-line)#line vty 0 4
set a user-mode password for the console port
Setup mode

19. Reset functions
Router#clear
Auxiliary port
Router#exit
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?

20. Async Group interface
Router(config)#interface Group-Async
Router(config)#enable password
Used to verify configuration
Router#clock

21. Virtual Template interface
Router#sh int ethernet0
Router>logout
Router(config)#interface Virtual-Template
Password required - but none set: Which of the following sequences will address this problem correctly?

22. Shows last command entered
Add a secondary IP address
Up arrow
Router#clock
Router#connect

23. Show controllers int
Router(config)#line vty
see if a serial interface needed to provide clocking
Router#sh running-config (sh run)
Router(config)#line console

24. Exit the console
Router>
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
see the terminal history size
Router#exit

25. 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#logout
Which of the following commands sets the secret password to Cisco?
Router(config)#banner login
CLI

26. The kernel of Cisco routers and most switches
see the terminal history size
Cisco IOS
% Invalid input detected at '^' marker.
Router(config)#line aux

27. 'out-of-band' (meaning out of the network) access
Atlanta#copy run start
Auxiliary port
Router#sh int ethernet0
Router(config)#router rip

28. Sets a console user-mode password
Router(config)#line console
Router(config)#line x/y
Router#exit
Router#terminal history size

29. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
set a user-mode password for the console port
Router(config)#service password-encryption
Router(config)#interface FastEthernet
Router#mrinfo

30. Delete the start-up config
Which of the following commands will configure all the default VTY ports on a router?
Router#access-template
Atlanta#erase startup-config
reinitialize the router and totally replace the running-config with the current startup-config

31. Ip address 10.1.5.255 255.255.252.0

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32. Open a terminal connection
% Invalid input detected at '^' marker.
Router(config)#int fa 0/0
configure network (config net)
Router#connect

33. Stops console messages from popping up and disrupting the input you're trying to type
Router#terminal history size
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(config)#line console 0
Router(config-line)#logging synchronous

34. Exit from the EXEC
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#logout
Exec-timeout 1 44
Console port

35. Erase start
Router#logout
Bandwidth
Which command will delete the contents of NVRAM on a router?
set the name of a router to Chicago

36. Shows the running config; passwords may not be encrypted
Router#sh running-config (sh run)
Router(config-if)#
Atlanta#copy run start
Router#debug

37. For manual emergency modes setting
Router#disable
Router#bfe
configure memory (config mem)
Router(config)#enable password todd

38. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
Router(config)#interface Lex
Router#sh version
Router#configure
Router(config)#line console

39. Shows previous commands entered
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Router#clock
Router(config)#int fa 0/0
Down arrow

40. Null interface
Router(config)#interface Vif
Which command will delete the contents of NVRAM on a router?
set the enable secret password to cisco
Router(config)#interface Null

41. Configure the bandwidth of a serial interface in kilobits
Bring up Ethernet0
Router(config)#enable last-resort
Router(config-if)#bandwidth 64
Router#logout

42. See if a router's serial interface has a DCE cable connected
Add a secondary IP address
Router>
Atlanta#sh run
Router>sh controllers s 0

43. Change the startup-config stored in NVRAM
Configure the interface IP address to '10.1.5.255 255.255.252.0'
configure terminal (config t)
configure memory (config mem)
Router(config)#interface Null

44. SFRemote(config-line)#login
Router(config)#$
Down arrow
Router#exit
Password required - but none set: Which of the following sequences will address this problem correctly?

45. This tells the router to authenticate through a TACACS server
Router(config)#enable password todd
Router#connect
Router(config)#enable use-tacacs
Router#exit

46. The administrator has the interface shut down.
Router#terminal history size
Router#help
Serial0 is administratively down - line protocol is down
Router(config)#interface Async

47. Ctrl+C
What keystroke will terminate setup mode?
Auxiliary port
Router(config)#interface Virtual-TokenRing
configure memory (config mem)

48. Lock the terminal
Router>sh controllers s 0
Router#lock
configure network (config net)
Setup mode

49. Slot/Port for Modems
Router(config)#interface Loopback
Router(config)#line x/y
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#enable secret todd

50. The command show ip protocols will actually show you the broadcast address for each interface—too bad it isn't a possible answer. Your best answer is show interfaces - which will provide the IP address and mask for each interface. You can then determ
Router(config)#banner incoming
Router(config)#banner
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?
Router#terminal history size