Test your basic knowledge |

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. 'out-of-band' (meaning out of the network) access
Router(config)#interface Lex
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Serial interfaces
Auxiliary port

2. WAN connections
Router(config)#interface FastEthernet
Serial interfaces
Router(config)#line console
Router(config)#interface Virtual-TokenRing

3. Enable secret Cisco
Tab
Router#sh ip interface (brief)
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Which of the following commands sets the secret password to Cisco?

4. Copy configuration or image data
Router#copy
What keystroke will terminate setup mode?
Router(config-if)#clock rate 64000
Router#bfe

5. 10Mbps Ethernet network connection
Attachment Unit Interface (AUI) connection
Router(config)#$
Router(config)#interface Async
Router#sh int ethernet0

6. 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)
Router(config)#interface Group-Async
Router#sh controllers serial 0/0
Router#clear
Router(config-if)#bandwidth 64

7. Shows last command entered
Router#lock
Up arrow
Router(config)#interface CTunnel
Router(config-if)#bandwidth 64

8. Create a temporary Access-List entry
Router#access-template
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#sh terminal
Router(config)#line <0-70>

9. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Atlanta#erase startup-config
Router(config)#banner motd
Router(config-if)#bandwidth 64
Router(config)#service password-encryption

10. Manually save the file from DRAM to NVRAM
Atlanta#copy run start
Used to verify configuration
set the name of a router to Chicago
Router(config-if)#clock rate 64000

11. Config t - hostname Chicago
Router(config)#enable use-tacacs
Router>sh controllers s 0
set the name of a router to Chicago
How many simultaneous Telnet sessions does a Cisco router support by default?

12. Interface configuration mode
configure terminal (config t)
Router(config-if)#
Router(config)#interface Virtual-Template
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

13. PGM Multicast Host interface
Router#lock
Router(config-line)#
Router(config)#interface Vif
Router>enable

14. Turn off privileged commands
Atlanta#sh start
Router#disable
Router#sh history
Router(config)#line console 0

15. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Serial0 is administratively down - line protocol is down
Router#access-profile
Router(config)#service password-encryption
Booting a router

16. Sh run
view the config
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 history
Router(config-line)#

17. Set only once and affects the entire router
global command
Router#bfe
Router>enable
configure terminal (config t)

18. Configure serial port 5
Router#
Router(config)#int serial 5
Router(config)#banner motd
Attachment Unit Interface (AUI) connection

19. Create a temporary Access-List entry
Router#sh ip interface (brief)
Router(config)#interface Virtual-Template
Router(config)#interface CTunnel
Router#access-enable

20. Shows the running config; passwords may not be encrypted
Router(config)#banner exec
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router#sh running-config (sh run)
Router#disable

21. Show interfaces
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Set telnet connection to have no password
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
How many simultaneous Telnet sessions does a Cisco router support by default?

22. Configure ethernet port 0
Label the interface 'WAN to Miami'
Router(config)#int ethernet 0
see if a serial interface needed to provide clocking
What keystroke will terminate setup mode?

23. To configure user-mode passwords
What command do you type to save the configuration stored in RAM to NVRAM?
Router#access-template
Router(config-line)#
Router(config)#interface Virtual-TokenRing

24. RJ-45 (8-pin modular) port; no password by default
Router#copy
Router#sh int ethernet0
Console port
Attachment Unit Interface (AUI) connection

25. Config t - int e0 - no shut
set a user-mode password for the console port
Exec-timeout 1 44
Router(config)#line console
show inter et 0 and notice the port is administratively down

26. Serial interface
Router#sh protocols
Router(config-router)#
Router(config)#interface Serial
global command

27. Lock the terminal
configure terminal (config t)
Tab
Router#lock
Router(config-if)#bandwidth 64

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

29. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
set the name of a router to Chicago
Router#sh version
What command do you type to save the configuration stored in RAM to NVRAM?
% Ambiguous command:

30. Turn on privileged commands
Router#enable
Tab
Router#
Booting a router

31. Config t - line console 0 - login - password todd
Router#
% Incomplete command
set the name of a router to Chicago
set a user-mode password for the console port

32. Debugging functions (see also 'undebug')
Router#debug
global command
% Incomplete command
Router#sh version

33. Multilink-group interface
Router(config)#interface Multilink
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#debug
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR

34. Ctrl+C
Tab
Router(config)#enable password todd
What keystroke will terminate setup mode?
set the enable secret password to cisco

35. See if a router's serial interface has a DCE cable connected
Router(config)#banner login
see if a serial interface needed to provide clocking
Router>sh controllers s 0
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

36. Stops console messages from popping up and disrupting the input you're trying to type
Router(config-line)#logging synchronous
Router(config)#enable password todd
Router(config)#interface Serial
EXEC session

37. Gives a message to every person dialing into or connecting to the router via Telnet or auxiliary port - or even through a console port
Router#logout
Router(config)#line tty
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router(config)#banner motd

38. Finishes typing a command for you
Router#bfe
Tab
Booting a router
Router(config)#enable secret todd

39. Sets the enable secret password to todd
Enable the interface
Router(config)#enable secret todd
Router#sh version
Router(config)#interface Serial

40. Config t - enable secret cisco
set the enable secret password to cisco
Which of the following commands will configure all the default VTY ports on a router?
% Incomplete command
Password required - but none set: Which of the following sequences will address this problem correctly?

41. Manage the system clock
Console port
% Invalid input detected at '^' marker.
Router#clock
Setup mode

42. Provide information once connected to the device
Bring up Ethernet0
EXEC session
Router#terminal history size
Router(config)#banner

43. Bridge-Group Virtual Interface
Router#exit
Router(config)#interface Loopback
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 BVI

44. Open a terminal connection
Router(config)#banner login
Router#connect
Router(config)#banner incoming
Set telnet connection to have no password

45. Configure RIP Protocol
% Incomplete command
Router(config)#router rip
configure terminal (config t)
configure memory (config mem)

46. Exit the console
Booting a router
global command
Router#exit
EXEC session

47. Virtual TokenRing
Router(config)#enable last-resort
Router(config)#interface Virtual-TokenRing
Booting a router
Password required - but none set: Which of the following sequences will address this problem correctly?

48. First Line number
Bandwidth
Atlanta#sh run
Router(config)#router rip
Router(config)#line <0-70>

49. Subinterfaces allow you to create logical interfaces within the router
Router#
Router#clock
Router(config-subif)#
see if a serial interface needed to provide clocking

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-subif)#
Enter interface configuration mode and configure serial 0/0
Router(config)#line console 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?