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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. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
% Ambiguous command:
Router#erase
Router(config)#router rip

2. Configure the bandwidth of a serial interface in kilobits
Auxiliary port
Router#sh terminal
Router(config-if)#bandwidth 64
Router(config)#enable last-resort

3. Command entered incorrectly
% Invalid input detected at '^' marker

4. Exit from the EXEC
Atlanta(config-if)#description Sales Lan
Router#logout
Router#terminal history size
Router(config-line)#line vty 0 4

5. Show interfaces
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Serial interfaces
Atlanta(config-if)#description Sales Lan
Router#copy

6. Create a temporary Access-List entry
Router(config)#interface range
Router(config)#line vty
set the enable secret password to cisco
Router#access-template

7. Stops console messages from popping up and disrupting the input you're trying to type
Auxiliary port
Router#sh ip interface (brief)
Router(config-line)#logging synchronous
EXEC session

8. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
Router#sh version
Cisco IOS
Router(config-line)#exec-timeout
Router(config)#$

9. Set only once and affects the entire router
Label the interface 'WAN to Miami'
Router(config)#enable secret todd
Router#mrinfo
global command

10. Terminal controller
Router(config)#line tty
Router(config)#interface CTunnel
delete the configuration stored in NVRAM
Router#access-template

11. To configure routing protocols such as RIP and IGRP
Router#access-template
Router(config-router)#
see if a serial interface needed to provide clocking
Router(config)#int serial 5

12. Go back from privileged mode into user mode
Enable the interface
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#disable
Router(config)#enable password todd

13. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
outer#disconnect
Auxiliary port
Router>sh controllers s 0
Bring up Ethernet0

14. Erase flash or configuration memory
Router(config)#line x/y
outer#disconnect
Router#erase
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?

15. Quick status of layers 1 and 2 of each interface as well as the IP addresses used
Router(config)#banner motd
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router#sh protocols
Router(config-if)#clock rate 64000

16. Config t
Enter global configuration mode
Setup mode
% Invalid input detected at '^' marker
EXEC session

17. Exit the console
Auxiliary port
Set telnet connection to have no password
Router(config)#enable last-resort
Router>logout

18. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Attachment Unit Interface (AUI) connection
Router#sh int ethernet0
Router(config-if)#
Atlanta#sh start

19. Cisco CLI that exists in user mode and privileged mode
EXEC session
Serial0 is administratively down - line protocol is down
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Router(config)#banner motd

20. Description WAN to Miami

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21. SFRemote(config-line)#login
Router(config)#interface Tunnel
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config-line)#
Router(config)#interface CTunnel

22. Global configuration mode and changes what's known as the running-config
configure terminal (config t)
Auxiliary port
Router#exit
show inter et 0 and notice the port is administratively down

23. View hardware addressing - logical addressing - and statistics of an interface
Router(config)#banner motd
Router#sh int fastethernet 0/0
Atlanta#sh start
Router#access-template

24. Router#copy run startup
Router(config)#banner incoming
What command do you type to save the configuration stored in RAM to NVRAM?
Router#access-template
set a serial interface to provide clocking to another router at 64Kb

25. Show controllers int
Label the interface 'WAN to Miami'
see if a serial interface needed to provide clocking
Router(config)#banner exec
Router(config)#line x/y

26. Sets a console user-mode password
Router(config)#line console
% Invalid input detected at '^' marker
Router(config-if)#
set a user-mode password for the console port

27. Shows the running config; passwords may not be encrypted
Router#clear
Router(config)#line console 0
If you wanted administrators to see a message when logging into the router - which command would you use?
Router#sh running-config (sh run)

28. 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)#line aux
show inter et 0 and notice the port is administratively down
Router#sh controllers serial 0/0
global command

29. Banner motd
If you wanted administrators to see a message when logging into the router - which command would you use?
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#router rip
Password required - but none set: Which of the following sequences will address this problem correctly?

30. User mode
% Invalid input detected at '^' marker
Router(config-line)#exec-timeout
Router(config)#line console 0
Router>

31. Erase startup-config
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router#erase
delete the configuration stored in NVRAM
% Invalid input detected at '^' marker

32. Disconnect an existing network connection
Router#lock
Router(config)#interface Null
Up arrow
outer#disconnect

33. Changes buffer size (max 256)
reinitialize the router and totally replace the running-config with the current startup-config
Router#clear counters s0/0
Router#terminal history size
Router(config)#interface Dialer

34. Enter configuration mode
Router(config)#line console 0
Router(config)#line console
Router#configure
Router#help

35. Create a temporary Access-List entry
configure terminal (config t)
Router(config)#banner exec
Router#access-enable
Which command will delete the contents of NVRAM on a router?

36. 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)#line console 0
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Router(config-line)#line vty 0 4
Router(config)#interface Virtual-Template

37. Exit the console
Router(config)#interface Null
Router#exit
Down arrow
Router#access-enable

38. Show protocols - show interfaces - show ip interface
Router(config)#interface Loopback
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Exec-timeout 1 44
Router#clock

39. RJ-45 (8-pin modular) port; no password by default
Router(config)#interface CTunnel
configure terminal (config t)
Console port
Tab

40. Command-line interface
Router(config)#interface Dialer
Tab
CLI
Router#logout

41. This is the newer - encrypted password that overrides the enable password if it's set
Router#access-template
Router(config)#line x/y
Router(config)#enable secret
Router#clock

42. For manual emergency modes setting
If you wanted administrators to see a message when logging into the router - which command would you use?
Label the interface 'WAN to Miami'
Router>
Router#bfe

43. Debugging functions (see also 'undebug')
Router#clock
Router#debug
Router(config)#enable use-tacacs
Router#access-template

44. Sets the enable password to todd
Router#bfe
Router(config)#enable password todd
Atlanta#sh run
Router#configure

45. Erase start
Router(config)#interface Loopback
Router(config)#interface Serial
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Which command will delete the contents of NVRAM on a router?

46. Multilink Frame Relay bundle interface
Router(config)#interface MFR
Router(config)#line <0-70>
configure terminal (config t)
Router#sh history

47. Interface configuration mode
Router(config-router)#
Router(config-if)#clock rate 64000
Serial interfaces
Router(config-if)#

48. Sets the telnet password
Down arrow
Router(config-line)#line vty 0 4
Router#sh protocols
Router#logout

49. Async Group interface
Router(config-if)#
Router#lock
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(config)#interface Group-Async

50. WAN connections
set the enable secret password to cisco
Serial interfaces
Router(config)#interface range
Router(config-line)#logging synchronous