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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. Shows the running config; passwords may not be encrypted
global command
Router#sh running-config (sh run)
Router(config)#line aux 0
Router#logout

2. Open a terminal connection
Router#connect
Router(config)#$
Router#sh int ethernet0
CLI

3. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Exec-timeout 1 44
Router(config)#enable use-tacacs
Atlanta#copy run start
Router#sh history

4. View the current config
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#interface Null
Router#sh version
Atlanta#sh run

5. Setup mode
Router#terminal history size
Router>
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Password required - but none set: Which of the following sequences will address this problem correctly?

6. CTunnel interface
Auxiliary port
Router(config)#interface Dialer
Router(config)#interface CTunnel
Router#configure

7. Command string isn't done yet
Router(config)#line <0-70>
Router#access-enable
% Incomplete command
Cisco IOS

8. User mode
Router#access-profile
Router>
Enable the interface
Router#

9. Exit the console
Router#logout
Router(config)#interface BVI
Router(config)#int fa 0/0
Router#exit

10. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Add a secondary IP address
Router(config)#line aux 0
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 aux

11. Config t - enable secret cisco
Router(config)#interface Tunnel
set the enable secret password to cisco
CLI
Atlanta(config-if)#description Sales Lan

12. Disconnect an existing network connection
Tab
outer#disconnect
Enter interface configuration mode and configure serial 0/0
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?

13. Sets the telnet password
Router(config)#interface Group-Async
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)#line vty 0 4
Router#sh running-config (sh run)

14. Exit from the EXEC
If you wanted administrators to see a message when logging into the router - which command would you use?
Down arrow
Router#exit
Router#access-enable

15. Show controllers int
Router>enable
Which of the following commands will configure all the default VTY ports on a router?
see if a serial interface needed to provide clocking
Attachment Unit Interface (AUI) connection

16. Delete the start-up config
Router(config)#line <0-70>
Router(config-line)#logging synchronous
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Atlanta#erase startup-config

17. Log in as a particular user
set the enable secret password to cisco
Router#terminal history size
Router#login
Router(config)#interface Virtual-TokenRing

18. Erase flash or configuration memory
see if a serial interface needed to provide clocking
Router#erase
Router(config)#banner
Router(config)#interface Vif

19. See if a router's serial interface has a DCE cable connected
view the config
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#enable secret
Router>sh controllers s 0

20. Description of the interactive help system
Router(config-if)#
Router(config)#enable password
Router#help
Router#clock

21. Debugging functions (see also 'undebug')
Router(config)#enable secret todd
Router#debug
configure terminal (config t)
Atlanta#copy run start

22. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
see the terminal history size
Router#clear
Bring up Ethernet0
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

23. Change a router configuration stored on a TFTP host
configure network (config net)
Router#access-template
% Invalid input detected at '^' marker
Router#sh running-config (sh run)

24. Configure RIP Protocol
Router(config)#enable secret todd
Router(config)#router rip
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Cisco IOS

25. Sets the console password
Router(config)#line console 0
outer#disconnect
Router#clock
Router#login

26. Erase start
Router(config)#interface Loopback
Router(config)#interface Null
Which command will delete the contents of NVRAM on a router?
Router#exit

27. SFRemote(config-line)#login
configure terminal (config t)
Router(config)#interface MFR
Atlanta#sh run
Password required - but none set: Which of the following sequences will address this problem correctly?

28. Clear counters on an interface
Router>
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Auxiliary port
Router#clear counters s0/0

29. 'out-of-band' (meaning out of the network) access
Router#sh controllers serial 0/0
Router(config)#banner motd
Router#clear counters s0/0
Auxiliary port

30. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
Atlanta#sh start
Router(config)#enable last-resort
Set telnet connection to have no password
Atlanta(config-if)#description Sales Lan

31. WAN connections
Serial interfaces
Router#sh terminal
Router(config)#int fa 0/0
outer#disconnect

32. Configure ethernet port 0
Router(config)#banner exec
Router(config)#int ethernet 0
Router#configure
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)

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

34. Go back from privileged mode into user mode
outer#disconnect
Router(config)#enable last-resort
Router#disable
Enter global configuration mode

35. Show terminal
see the terminal history size
Router(config)#enable last-resort
Router#sh controllers serial 0/0
Router#clear counters s0/0

36. Sh run
view the config
Router(config-line)#logging synchronous
Router(config)#interface Group-Async
Router#sh int ethernet0

37. Tunnel interface
Router#login
Router(config)#interface Tunnel
Router(config-line)#logging synchronous
Router(config)#enable secret todd

38. No shut
% Incomplete command
Enable the interface
Which of the following commands will configure all the default VTY ports on a router?
Configure an IP address on e0

39. Erase startup-config
Router(config)#enable secret todd
Router(config)#line console
global command
delete the configuration stored in NVRAM

40. 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.
Router(config)#interface Async
% Incomplete command
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
EXEC session

41. Allows you to configure modem commands so that a modem can be connected to the router
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#sh int ethernet0
Router#logout
Auxiliary port

42. To be displayed on terminals connected to reverse Telnet lines. This banner is useful for providing instructions to users who use reverse Telnet.
Router(config-router)#
Router(config)#banner incoming
set a serial interface to provide clocking to another router at 64Kb
Router(config)#line tty

43. Global configuration mode
Router#help
view the config
Router#config t
Auxiliary port

44. Physical layer
configure terminal (config t)
Router#sh controllers serial 0/0
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)#interface Null

45. Create a temporary Access-List entry
Router#access-enable
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#line aux
Configure the interface IP address to '10.1.5.255 255.255.252.0'

46. 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
set a user-mode password for the console port
Booting a router
Router#sh int fastethernet 0/0
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?

47. Cisco CLI that exists in user mode and privileged mode
Bandwidth
global command
EXEC session
Router(config)#enable secret todd

48. Access from console port - -modem into AUX port - and telnet
configure network (config net)
Router(config)#interface Virtual-TokenRing
EXEC session
Router(config)#interface Lex

49. Config t - hostname Chicago
Router(config)#line x/y
Used to verify configuration
set the name of a router to Chicago
CLI

50. Lock the terminal
Router(config)#banner login
view the config
Router#lock
Auxiliary port