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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. The command service password-encryption - from global configuration mode - will encrypt the passwords.

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2. Configure a DCE serial interface in bits per second
Router(config)#interface Loopback
Router(config-if)#clock rate 64000
Router(config)#int serial 5
show inter et 0 and notice the port is administratively down

3. Quick status of layers 1 and 2 of each interface as well as the IP addresses used
Router#sh protocols
configure memory (config mem)
Bring up Ethernet0
Enter global configuration mode

4. Shows last 10 commands entered by default
Router#sh history
Router(config)#line aux
Router#sh running-config (sh run)
Router(config)#interface Loopback

5. 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(config-router)#
Router(config)#enable secret todd
Password required - but none set: Which of the following sequences will address this problem correctly?
Router#sh ip interface (brief)

6. To configure routing protocols such as RIP and IGRP
Router(config-router)#
Router#login
Serial0 is administratively down - line protocol is down
Router#erase

7. WAN connections
% Ambiguous command:
Serial interfaces
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Setup mode

8. Shows previous commands entered
Router(config)#enable secret todd
Down arrow
configure terminal (config t)
Router(config)#interface range

9. First Line number
Router#
Router(config)#interface CTunnel
Down arrow
Router(config)#line <0-70>

10. Configure the bandwidth of a serial interface in kilobits
Router(config-if)#bandwidth 64
set a user-mode password for the console port
Router(config-line)#exec-timeout
configure terminal (config t)

11. Shows last command entered
Router(config)#int serial 5
configure memory (config mem)
Up arrow
Exec-timeout 1 44

12. Sets the enable password to todd
Router(config)#enable password todd
Which of the following commands sets the secret password to Cisco?
Router#mrinfo
Router(config)#interface CTunnel

13. Exit the console
Router#exit
Enter global configuration mode
Which of the following commands will configure all the default VTY ports on a router?
Router#access-enable

14. Allows you to configure modem commands so that a modem can be connected to the router
set a serial interface to provide clocking to another router at 64Kb
Auxiliary port
Router#clear
see the terminal history size

15. Configure RIP Protocol
Router#logout
% Incomplete command
Router(config-line)#
Router(config)#router rip

16. Configure serial port 5
Label the interface 'WAN to Miami'
configure memory (config mem)
Router(config)#int serial 5
Which of the following commands sets the secret password to Cisco?

17. Sets the console password
Router(config)#enable last-resort
Router#sh terminal
Which of the following commands will configure all the default VTY ports on a router?
Router(config)#line console 0

18. Slot/Port for Modems
Router(config)#line aux 0
Serial interfaces
delete the configuration stored in NVRAM
Router(config)#line x/y

19. Configure fastethernet slot0/port0
Router#logout
Router(config)#int fa 0/0
Enable the interface
Router(config)#interface Async

20. User mode
outer#disconnect
Router#sh ip interface (brief)
Router>
Router(config)#service password-encryption

21. Lock the terminal
Router#lock
Exec-timeout 1 44
Router#erase
Router#config t

22. Virtual Template interface
Router#sh terminal
Router(config)#interface Virtual-Template
Serial interfaces
% Invalid input detected at '^' marker.

23. Command-line interface
What command do you type to save the configuration stored in RAM to NVRAM?
CLI
Router#sh ip interface (brief)
Up arrow

24. Banner motd
Up arrow
Configure an IP address on e0
If you wanted administrators to see a message when logging into the router - which command would you use?
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

25. The kernel of Cisco routers and most switches
Cisco IOS
Router#terminal history size
Auxiliary port
% Ambiguous command:

26. Indicates that the line has been scrolled to the left
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#$
configure terminal (config t)
Router#disable

27. Create a temporary Access-List entry
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#clear
Router#access-template
% Incomplete command

28. There is more than one show command sthat starts with the letters ru.
set a serial interface to provide clocking to another router at 64Kb
Router(config)#int fa 0/0
Router(config)#enable password
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?

29. Provide information once connected to the device
outer#disconnect
Router(config)#line <0-70>
Router(config)#banner
Router(config)#interface CTunnel

30. Subinterfaces allow you to create logical interfaces within the router
Router(config-subif)#
Router(config)#line aux
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
view the config

31. Exit the console
Router#logout
Router(config)#banner exec
Down arrow
Router>sh controllers s 0

32. FastEthernet IEEE 802.3
Router(config)#interface Serial
% Ambiguous command:
Router(config)#interface Dialer
Router(config)#interface FastEthernet

33. Enter configuration mode
Router#configure
set a user-mode password for the console port
view the config
CLI

34. Virtual TokenRing
view the config
Router(config)#interface Virtual-TokenRing
Router(config)#interface Async
Router#login

35. Sets the enable secret password to todd
Router(config)#enable secret todd
What command do you type to save the configuration stored in RAM to NVRAM?
Router(config)#interface Null
Router(config-router)#

36. Async interface
Router(config)#interface Virtual-TokenRing
Router(config)#interface Async
Router(config)#line vty
Booting a router

37. Bridge-Group Virtual Interface
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Atlanta#sh start
Router(config)#interface BVI
Router#config t

38. Sets the telnet password
Router(config)#interface Dialer
EXEC session
Router(config-line)#line vty 0 4
Router(config)#hostname Todd

39. Turn on privileged commands
Router#enable
Router(config)#interface Null
Atlanta#copy run start
Router#login

40. The show controllers serial 0 command will show you whether either a DTE or DCE cable is connected to the interface. If it is a DCE connection - you need to add clocking with the clock rate command.
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Console port
% Invalid input detected at '^' marker.
configure terminal (config t)

41. To be displayed on terminals connected to reverse Telnet lines. This banner is useful for providing instructions to users who use reverse Telnet.
set a user-mode password for the console port
set the name of a router to Chicago
Router#bfe
Router(config)#banner incoming

42. View the current config
Enter interface configuration mode and configure serial 0/0
Router(config)#enable secret
Atlanta#sh run
Router(config-subif)#

43. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Router(config)#interface FastEthernet
% Ambiguous command:
Router#login
Atlanta#copy run start

44. Privileged mode
Router>enable
% Ambiguous command:
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
configure terminal (config t)

45. Exit from the EXEC
EXEC session
Router#logout
Router#connect
Enable the interface

46. Ip address 10.1.5.255 255.255.252.0

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47. Exit the console
Router>logout
Router(config)#line <0-70>
What command do you type to save the configuration stored in RAM to NVRAM?
Attachment Unit Interface (AUI) connection

48. The administrator has the interface shut down.
Serial0 is administratively down - line protocol is down
Used to verify configuration
EXEC session
Router#sh terminal

49. Debugging functions (see also 'undebug')
Router#connect
Which command will delete the contents of NVRAM on a router?
Enter global configuration mode
Router#debug

50. Change a router configuration stored on a TFTP host
Password required - but none set: Which of the following sequences will address this problem correctly?
CLI
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
configure network (config net)