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. Debugging functions (see also 'undebug')
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router#enable
Router#debug
Router(config)#banner incoming

2. For manual emergency modes setting
Router#bfe
Router(config)#int fa 0/0
Booting a router
Router(config)#interface BVI

3. Bridge-Group Virtual Interface
Router(config-subif)#
Router(config-if)#
Router(config)#banner exec
Router(config)#interface BVI

4. Config t
global command
Router(config-subif)#
Router(config)#enable password
Enter global configuration mode

5. Shows last 10 commands entered by default
Atlanta(config-if)#description Sales Lan
Router#exit
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 history

6. 10Mbps Ethernet network connection
Router(config)#router rip
Router(config)#banner incoming
Attachment Unit Interface (AUI) connection
Router(config-if)#

7. Command string isn't done yet
Router(config)#hostname Todd
Router(config)#interface Lex
Router#connect
% Incomplete command

8. Sets the enable password to todd
Router(config)#service password-encryption
Router(config)#enable password todd
Router#enable
Router(config)#line vty

9. Sets the enable secret password to todd
Router#logout
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)#enable secret todd
Router(config)#banner exec

10. This tells the router to authenticate through a TACACS server
Router(config)#interface FastEthernet
configure network (config net)
Label the interface 'WAN to Miami'
Router(config)#enable use-tacacs

11. Configure a DCE serial interface in bits per second
Router(config-line)#exec-timeout
Router#sh int fastethernet 0/0
Router(config-if)#clock rate 64000
Router(config)#line x/y

12. Sets the aux password; Router(config-line)#password todd; Router(config-line)#login
outer#disconnect
Router(config)#line aux 0
Router(config)#int fa 0/0
Router#disable

13. Manage the system clock
Password required - but none set: Which of the following sequences will address this problem correctly?
Router#login
Router#clock
Exec-timeout 1 44

14. Configure ethernet port 0
EXEC session
Router#access-enable
Router(config)#int ethernet 0
Router#sh terminal

15. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Enter global configuration mode
Attachment Unit Interface (AUI) connection
Add a secondary IP address
Router#logout

16. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Router(config)#interface FastEthernet
configure terminal (config t)
Exec-timeout 1 44
Router>

17. Configure fastethernet slot0/port0
Router(config-if)#clock rate 64000
Router>
delete the configuration stored in NVRAM
Router(config)#int fa 0/0

18. Async Group interface
Router#terminal history size
Router(config)#interface Group-Async
Tab
Router(config)#line vty

19. Async interface
Router(config)#enable secret
Router(config)#interface Async
Router(config)#banner incoming
Serial0 is administratively down - line protocol is down

20. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Router#connect
Atlanta#sh start
configure terminal (config t)
Router(config)#line <0-70>

21. Indicates that the line has been scrolled to the left
Router(config)#$
Router#exit
Router#logout
see the terminal history size

22. Shows the running config; passwords may not be encrypted
What keystroke will terminate setup mode?
Router(config)#banner incoming
Router#sh running-config (sh run)
How many simultaneous Telnet sessions does a Cisco router support by default?

23. Router(config)#line vty 0 4
Router#sh int fastethernet 0/0
Which of the following commands will configure all the default VTY ports on a router?
Label the interface 'WAN to Miami'
Up arrow

24. Configure the bandwidth of a serial interface in kilobits
Router(config-if)#bandwidth 64
Router(config)#line console 0
Router(config)#enable password
Router#disable

25. Set only once and affects the entire router
Router(config-if)#bandwidth 64
global command
Router#config t
Router(config)#int ethernet 0

26. Cisco Internetwork Operating System
Router(config)#line console 0
Router#sh int ethernet0
Router(config-if)#clock rate 64000
Cisco IOS

27. RJ-45 (8-pin modular) port; no password by default
% Incomplete command
Password required - but none set: Which of the following sequences will address this problem correctly?
configure terminal (config t)
Console port

28. Show controllers int
see if a serial interface needed to provide clocking
Router>enable
Router(config)#banner exec
configure terminal (config t)

29. Change a router configuration stored on a TFTP host
Cisco IOS
Router#help
configure network (config net)
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?

30. Sets the console password
Router(config)#line console 0
Router#debug
Tab
Router#sh int ethernet0

31. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Router#disable
Auxiliary port
Router#sh version

32. SFRemote(config-line)#login
Password required - but none set: Which of the following sequences will address this problem correctly?
show inter et 0 and notice the port is administratively down
What keystroke will terminate setup mode?
Router(config)#line console

33. Show info for ethernet0
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router#sh history
reinitialize the router and totally replace the running-config with the current startup-config
Router#sh int ethernet0

34. First Line number
Router(config)#interface Virtual-TokenRing
Router(config)#line <0-70>
Tab
Router#lock

35. Sets a console user-mode password
Router(config)#line vty
Router(config)#interface Lex
Router(config)#line console
Router>logout

36. Dialer interface
Router#sh version
Router#mrinfo
Router(config)#interface Lex
Router(config)#interface Dialer

37. Config t - int e0 - no shut
Router(config-if)#
Router(config)#interface Virtual-TokenRing
Setup mode
show inter et 0 and notice the port is administratively down

38. Changes buffer size (max 256)
Router#clock
Router(config)#service password-encryption
Router>logout
Router#terminal history size

39. Exit the console
Router#exit
Router(config)#line console
Router#sh controllers serial 0/0
Auxiliary port

40. Change the startup-config stored in NVRAM
configure terminal (config t)
Router#login
configure memory (config mem)
Serial interfaces

41. No shut
Enable the interface
Router(config)#enable secret
Serial0 is administratively down - line protocol is down
Router#mrinfo

42. Banner motd
Router(config)#banner motd
If you wanted administrators to see a message when logging into the router - which command would you use?
Exec-timeout 1 44
Auxiliary port

43. Turn off privileged commands
EXEC session
EXEC session
Router#disable
Router(config)#interface Group-Async

44. Shows previous commands entered
Router(config-line)#logging synchronous
Router#sh terminal
Down arrow
Router(config)#line aux 0

45. Multilink-group interface
Router#sh protocols
Router(config)#line tty
Router(config)#interface Multilink
Router#disable

46. Configure RIP Protocol
Router(config-if)#bandwidth 64
Enable the interface
Router(config)#router rip
% Invalid input detected at '^' marker

47. Turn on privileged commands
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 int ethernet0
Router#enable
Router(config-if)#

48. Sh run
Router#copy
Atlanta#sh start
view the config
Router#exit

49. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Router#mrinfo
Router#disable
Atlanta#erase startup-config
Setup mode

50. See if a router's serial interface has a DCE cable connected
Router(config)#interface Loopback
Router>sh controllers s 0
Router#exit
Router#debug