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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. Show interfaces
Router#help
EXEC session
Router(config-subif)#
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?

2. Async Group interface
Router(config)#interface Group-Async
Router#disable
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
Enter interface configuration mode and configure serial 0/0

3. Turn off privileged commands
Router#disable
Router(config)#line vty
Router#help
% Invalid input detected at '^' marker.

4. Sets the telnet password
Router(config-line)#line vty 0 4
Atlanta(config-if)#description Sales Lan
Router#mrinfo
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?

5. See if a router's serial interface has a DCE cable connected
Router(config)#service password-encryption
configure network (config net)
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Router>sh controllers s 0

6. There is more than one show command sthat starts with the letters ru.
set the enable secret password to cisco
Router(config)#interface range
Router(config)#interface Async
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?

7. Copy configuration or image data
Serial interfaces
Router#copy
see the terminal history size
Enter global configuration mode

8. Virtual Template interface
configure memory (config mem)
Router(config)#interface Virtual-Template
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
show inter et 0 and notice the port is administratively down

9. Provides status of the interface - the IP address and mask - information on whether an access list is set on the interface - and basic IP information
Router#access-profile
Router#lock
Router(config)#int serial 5
Router#sh ip interface (brief)

10. Exit from the EXEC
Router#connect
Router(config-router)#
Router(config)#interface Null
Router#exit

11. Sets the console password
Router(config)#enable password
Router#clock
outer#disconnect
Router(config)#line console 0

12. Sets the aux password; Router(config-line)#password todd; Router(config-line)#login
Router#clear
Router(config)#line aux 0
Router#exit
Add a secondary IP address

13. Enable secret Cisco
Atlanta#erase startup-config
Router#access-template
Router#exit
Which of the following commands sets the secret password to Cisco?

14. Config t - int e0 - no shut
Auxiliary port
show inter et 0 and notice the port is administratively down
% 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.)

15. Provide information once connected to the device
configure network (config net)
Router#sh history
Router>logout
Router(config)#banner

16. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Bring up Ethernet0
Router#
Tab
Router#sh running-config (sh run)

17. 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
Router#enable
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Router#terminal history size
Router(config-line)#exec-timeout

18. 5
Router>logout
Router#sh int fastethernet 0/0
How many simultaneous Telnet sessions does a Cisco router support by default?
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

19. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Booting a router
Router(config-router)#
% Invalid input detected at '^' marker.

20. This is the newer - encrypted password that overrides the enable password if it's set
set the name of a router to Chicago
Serial0 is administratively down - line protocol is down
How many simultaneous Telnet sessions does a Cisco router support by default?
Router(config)#enable secret

21. Dialer interface
Router#debug
Router(config)#interface Dialer
Router#mrinfo
Router(config)#banner

22. Config t - line vty 0 4 - no login
set the enable secret password to cisco
Router#mrinfo
Atlanta(config-if)#description Sales Lan
Set telnet connection to have no password

23. SFRemote(config-line)#login
Router(config)#line console 0
Router(config)#banner
Password required - but none set: Which of the following sequences will address this problem correctly?
Cisco IOS

24. Shows previous commands entered
Down arrow
EXEC session
% Invalid input detected at '^' marker
show inter et 0 and notice the port is administratively down

25. Config t - hostname Chicago
Used to verify configuration
Cisco IOS
Setup mode
set the name of a router to Chicago

26. Sh run
Router(config)#enable secret
Router(config)#line console 0
view the config
Password required - but none set: Which of the following sequences will address this problem correctly?

27. Interface range command
Router#enable
Which command will delete the contents of NVRAM on a router?
Router(config)#interface range
Router>

28. Sets a console user-mode password
Router(config)#line console
Router>sh controllers s 0
% Invalid input detected at '^' marker
reinitialize the router and totally replace the running-config with the current startup-config

29. Open a terminal connection
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#copy
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Router#connect

30. Access from console port - -modem into AUX port - and telnet
EXEC session
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Atlanta(config-if)#description Sales Lan
Router(config)#line <0-70>

31. Go back from privileged mode into user mode
Serial0 is administratively down - line protocol is down
Router#bfe
Router>sh controllers s 0
Router#disable

32. Manually save the file from DRAM to NVRAM
Atlanta#copy run start
If you wanted administrators to see a message when logging into the router - which command would you use?
Down arrow
Router(config)#interface Virtual-TokenRing

33. 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
Serial interfaces
Router(config)#line aux
Router(config)#banner
Router>enable

34. Router(config)#line vty 0 4
Which of the following commands will configure all the default VTY ports on a router?
Booting a router
Router#sh int fastethernet 0/0
Router#config t

35. The administrator has the interface shut down.
Router(config)#enable secret
Serial0 is administratively down - line protocol is down
Atlanta#sh start
Router(config)#line vty

36. Delete the start-up config
Atlanta#sh start
Router(config)#interface Null
Cisco IOS
Atlanta#erase startup-config

37. Lock the terminal
Router(config)#interface FastEthernet
Router#lock
How many simultaneous Telnet sessions does a Cisco router support by default?
see if a serial interface needed to provide clocking

38. Clock rate 64000
set a serial interface to provide clocking to another router at 64Kb
Router(config)#interface Dialer
Router(config)#enable password
Up arrow

39. No shut
Auxiliary port
Enable the interface
Router(config)#line console 0
Router#exit

40. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
Router(config)#enable use-tacacs
Atlanta(config-if)#description Sales Lan
Router#clear counters s0/0
Router(config)#line console

41. Exit the console
Router#sh int ethernet0
Router(config)#interface Null
Router>logout
Router(config-line)#logging synchronous

42. Shows last 10 commands entered by default
Router(config)#int ethernet 0
set the enable secret password to cisco
Down arrow
Router#sh history

43. Create a temporary Access-List entry
Router(config)#service password-encryption
Router(config)#banner exec
Router#enable
Router#access-enable

44. Terminal controller
Router(config-if)#bandwidth 64
outer#disconnect
Router(config)#line tty
Router(config)#router rip

45. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Exec-timeout 1 44
Enter interface configuration mode and configure serial 0/0
Router#logout
Router(config)#line tty

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

47. Shows last command entered
Up arrow
Router(config)#enable password
Router(config)#line aux
Router(config)#enable use-tacacs

48. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Set telnet connection to have no password
set the name of a router to Chicago
Router(config)#banner motd
Setup mode

49. Interface configuration mode
Router(config)#enable last-resort
Router(config-if)#
Router#mrinfo
reinitialize the router and totally replace the running-config with the current startup-config

50. Configure the bandwidth of a serial interface in kilobits
Router(config)#enable use-tacacs
configure memory (config mem)
Router(config-if)#bandwidth 64
Setup mode