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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. Serial interface
Router(config)#interface Serial
Router(config-line)#exec-timeout
Up arrow
Router>logout

2. Command string isn't done yet
Router#config t
What command do you type to save the configuration stored in RAM to NVRAM?
Router(config-if)#bandwidth 64
% Incomplete command

3. Provide information once connected to the device
Atlanta#copy run start
Router(config)#banner
see the terminal history size
Auxiliary port

4. Exit the console
Router(config)#enable password todd
Router#clear counters s0/0
Router>logout
% Invalid input detected at '^' marker.

5. Request neighbor and version information from a multicast router
Router#logout
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#mrinfo
Label the interface 'WAN to Miami'

6. 10Mbps Ethernet network connection
Router#copy
Router(config)#line console
Router(config)#interface Serial
Attachment Unit Interface (AUI) connection

7. Delete the start-up config
Router#logout
Atlanta#erase startup-config
CLI
Router(config)#int serial 5

8. Setup mode
Router>logout
Add a secondary IP address
Router(config)#interface MFR
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

9. See if a router's serial interface has a DCE cable connected
Router#clear
Router(config-line)#logging synchronous
Router>sh controllers s 0
Router(config)#interface Serial

10. Banner motd
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#banner
Router#sh ip interface (brief)
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

11. 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)
set the enable secret password to cisco
Router(config)#banner exec
Configure an IP address on e0
Router#sh controllers serial 0/0

12. Change a router configuration stored on a TFTP host
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Which of the following commands will configure all the default VTY ports on a router?
global command
configure network (config net)

13. Global configuration mode
Router(config)#interface Dialer
Router#config t
Router(config)#line x/y
Setup mode

14. Cisco Internetwork Operating System
Cisco IOS
Router#access-enable
Router(config)#enable password todd
Label the interface 'WAN to Miami'

15. RJ-45 (8-pin modular) port; no password by default
Router(config)#interface Async
Console port
Router>
% Invalid input detected at '^' marker

16. The kernel of Cisco routers and most switches
Router#sh ip interface (brief)
Cisco IOS
What keystroke will terminate setup mode?
Router(config)#interface Loopback

17. 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.
show inter et 0 and notice the port is administratively down
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Enter interface configuration mode and configure serial 0/0
Router#clear

18. Enter configuration mode
Router#configure
Router(config)#line aux
Router(config)#enable last-resort
CLI

19. Exit the console
Router(config-if)#clock rate 64000
Label the interface 'WAN to Miami'
Router#logout
Enable the interface

20. Exit from the EXEC
Router(config)#interface MFR
Router#logout
Router(config)#interface CTunnel
Router#exit

21. Configure RIP Protocol
Label the interface 'WAN to Miami'
Router(config)#router rip
Router(config-if)#clock rate 64000
Router#terminal history size

22. Shows the running config; passwords may not be encrypted
Router#sh ip interface (brief)
Router#logout
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#sh running-config (sh run)

23. Sets the time-out for the console EXEC session; never timing out (0 0) to 35 -791 minutes and 2 -147 -483 seconds. The default is 10 minutes
Auxiliary port
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router(config-line)#exec-timeout

24. Config t - hostname Chicago
Router(config)#line vty
Router(config)#line x/y
CLI
set the name of a router to Chicago

25. Stops console messages from popping up and disrupting the input you're trying to type
Router#login
Atlanta(config-if)#description Sales Lan
Router(config)#interface FastEthernet
Router(config-line)#logging synchronous

26. Enable secret Cisco
Which of the following commands sets the secret password to Cisco?
Router(config)#banner incoming
Router#bfe
global command

27. Show terminal
Router(config)#hostname Todd
Bring up Ethernet0
see the terminal history size
set a user-mode password for the console port

28. Interface range command
Router(config-if)#
Router(config)#interface range
configure network (config net)
Router(config)#hostname Todd

29. Changes buffer size (max 256)
Cisco IOS
Router#terminal history size
Router#login
Router(config)#enable secret

30. Configure a DCE serial interface in bits per second
Router#copy
CLI
Enter interface configuration mode and configure serial 0/0
Router(config-if)#clock rate 64000

31. Sets the console password
What command do you type to save the configuration stored in RAM to NVRAM?
Booting a router
Router(config)#line console 0
Router#erase

32. Interface s0/0
Router(config)#interface Lex
see the terminal history size
Enter interface configuration mode and configure serial 0/0
see if a serial interface needed to provide clocking

33. No shut
Router#clear counters s0/0
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Enable the interface
Label the interface 'WAN to Miami'

34. Allows you to configure modem commands so that a modem can be connected to the router
Router(config)#enable secret todd
Router#sh int ethernet0
Auxiliary port
show inter et 0 and notice the port is administratively down

35. Show interfaces
show inter et 0 and notice the port is administratively down
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#interface Multilink
Router#access-profile

36. Erase start
Router(config)#line tty
Setup mode
Which command will delete the contents of NVRAM on a router?
Router(config)#line vty

37. 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)#enable last-resort
Router(config)#interface Loopback
Router(config)#banner login
delete the configuration stored in NVRAM

38. Slot/Port for Modems
Router(config)#line x/y
Router#mrinfo
set a serial interface to provide clocking to another router at 64Kb
Router(config)#line aux 0

39. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Router(config)#line aux
Router#enable
Bring up Ethernet0
Router(config)#banner login

40. Quick status of layers 1 and 2 of each interface as well as the IP addresses used
Atlanta#copy run start
Router#sh protocols
Router(config)#interface Group-Async
Router#exit

41. To be displayed on terminals connected to reverse Telnet lines. This banner is useful for providing instructions to users who use reverse Telnet.
Atlanta#copy run start
Router(config)#banner incoming
% Invalid input detected at '^' marker
Console port

42. Sets a console user-mode password
Auxiliary port
Router(config)#line console
Router#sh int fastethernet 0/0
Router(config)#interface Null

43. WAN connections
Router(config)#interface Vif
Serial interfaces
Auxiliary port
global command

44. Sets the enable secret password to todd
Router(config)#interface Tunnel
Router(config)#enable secret todd
Router(config)#line console
Atlanta#erase startup-config

45. Sets the enable password to todd
set a user-mode password for the console port
Setup mode
Router(config)#enable password todd
Booting a router

46. Bridge-Group Virtual Interface
Router#sh int fastethernet 0/0
How many simultaneous Telnet sessions does a Cisco router support by default?
Router(config)#interface BVI
Enter global configuration mode

47. SFRemote(config-line)#login
Router#enable
Router(config)#hostname Todd
Router#disable
Password required - but none set: Which of the following sequences will address this problem correctly?

48. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
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
Booting a router
Cisco IOS
Router(config)#banner exec

49. Create a temporary Access-List entry
Router#clear counters s0/0
Router#sh history
Router#access-template
Router#config t

50. Cisco CLI that exists in user mode and privileged mode
Router(config-if)#
Router#mrinfo
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
EXEC session