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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. Ip address 10.1.5.255 255.255.252.0

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2. Erase flash or configuration memory
Router#connect
Router#clock
Router#erase
Which of the following commands will configure all the default VTY ports on a router?

3. Copy configuration or image data
Router#copy
Down arrow
Router#enable
Used to verify configuration

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

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5. Sets the console password
Atlanta(config-if)#description Sales Lan
Router(config)#line console 0
Router(config)#enable secret
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

6. Multilink Frame Relay bundle interface
Router#access-template
Router(config)#line <0-70>
Router(config)#interface MFR
Cisco IOS

7. Setup mode
Exec-timeout 1 44
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router(config)#line console 0
Label the interface 'WAN to Miami'

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(config)#router rip
Router#sh running-config (sh run)
Router#sh version
Router(config-if)#

9. Sets the telnet password
set the name of a router to Chicago
Router(config-line)#line vty 0 4
What keystroke will terminate setup mode?
Atlanta#copy run start

10. Allows you to configure modem commands so that a modem can be connected to the router
Router(config)#interface Lex
Setup mode
Auxiliary port
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

11. Config t - int e0 - no shut
Router(config-line)#logging synchronous
Router(config)#line aux 0
show inter et 0 and notice the port is administratively down
Router>

12. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Router(config)#enable password
Setup mode
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 global configuration mode

13. Description of the interactive help system
Router#exit
Router#help
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
% Invalid input detected at '^' marker.

14. Clock rate 64000
set a serial interface to provide clocking to another router at 64Kb
Router#clock
Router(config-if)#bandwidth 64
EXEC session

15. 'out-of-band' (meaning out of the network) access
Router(config)#banner
Router(config)#line aux
Router#sh running-config (sh run)
Auxiliary port

16. View the current config
% Incomplete command
Router#sh int fastethernet 0/0
Router(config)#interface Loopback
Atlanta#sh run

17. Clear counters on an interface
Router#help
EXEC session
delete the configuration stored in NVRAM
Router#clear counters s0/0

18. Interface range command
% Ambiguous command:
Router(config)#interface range
Router(config)#interface FastEthernet
Router#logout

19. Request neighbor and version information from a multicast router
Router#sh protocols
Router(config-router)#
Router#sh history
Router#mrinfo

20. Create a temporary Access-List entry
EXEC session
Router(config)#interface Virtual-TokenRing
Router#access-template
Router(config)#banner

21. Configure a DCE serial interface in bits per second
Router#disable
Router#access-template
Router(config-if)#clock rate 64000
global command

22. Show protocols - show interfaces - show ip interface
Atlanta#sh start
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router(config)#int ethernet 0
Router#configure

23. Disconnect an existing network connection
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router#help
outer#disconnect
Up arrow

24. Finishes typing a command for you
Tab
% Invalid input detected at '^' marker
Used to verify configuration
Router(config-subif)#

25. Configure the bandwidth of a serial interface in kilobits
Router(config)#interface Null
Router#sh running-config (sh run)
Router#bfe
Router(config-if)#bandwidth 64

26. Sets a console user-mode password
Router>
Tab
Router(config)#line console
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?

27. No shut
Enable the interface
Router(config)#banner
Router(config)#int fa 0/0
Router(config)#banner incoming

28. Stops console messages from popping up and disrupting the input you're trying to type
Router(config-line)#exec-timeout
Router(config-line)#logging synchronous
Router#copy
Router#lock

29. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Router(config-if)#clock rate 64000
Router(config)#line x/y
Router#disable
Router(config)#enable password

30. Exit the console
Router#logout
show inter et 0 and notice the port is administratively down
Router#terminal history size
Router#access-enable

31. 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
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Enable the interface
Configure an IP address on e0
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?

32. To configure routing protocols such as RIP and IGRP
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Cisco IOS
Router(config-router)#
Router#connect

33. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Which of the following commands will configure all the default VTY ports on a router?
Bandwidth
What command do you type to save the configuration stored in RAM to NVRAM?
Router#sh controllers serial 0/0

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

35. Config t - line console 0 - login - password todd
Which of the following commands will configure all the default VTY ports on a router?
set a user-mode password for the console port
Router>sh controllers s 0
% Incomplete command

36. Delete the start-up config
EXEC session
Atlanta#erase startup-config
Router(config-router)#
Serial0 is administratively down - line protocol is down

37. Indicates that the line has been scrolled to the left
Router#sh ip interface (brief)
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#interface Dialer
Router(config)#$

38. Lex interface
set a serial interface to provide clocking to another router at 64Kb
CLI
Router(config)#interface Lex
Enable the interface

39. Cisco CLI that exists in user mode and privileged mode
EXEC session
% Ambiguous command:
Router#login
Router(config)#interface Vif

40. Go back from privileged mode into user mode
Used to verify configuration
Router#disable
Router#sh int ethernet0
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR

41. Sh int e0; config t; int e0; ip address 172.16.10.2 255.255.255.0; no shut; sh int e0
Enter interface configuration mode and configure serial 0/0
Configure an IP address on e0
show inter et 0 and notice the port is administratively down
Atlanta#sh run

42. 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
Atlanta(config-if)#description Sales Lan
Router(config-line)#exec-timeout
configure memory (config mem)
Router(config)#interface BVI

43. View hardware addressing - logical addressing - and statistics of an interface
Cisco IOS
Router#sh int fastethernet 0/0
Router(config-line)#exec-timeout
Router(config)#interface Virtual-Template

44. Subinterfaces allow you to create logical interfaces within the router
configure terminal (config t)
Router#configure
Router(config)#line vty
Router(config-subif)#

45. Configure serial port 5
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?
Router(config-line)#logging synchronous
Router(config)#int serial 5

46. Privileged mode
Router(config)#int fa 0/0
outer#disconnect
configure terminal (config t)
Router>enable

47. A login banner to be displayed on all connected terminals; displayed after the MOTD banner but before the login prompts; delete it with the no banner login command
Router(config-line)#line vty 0 4
Which command will delete the contents of NVRAM on a router?
Router(config)#banner login
% Invalid input detected at '^' marker.

48. Debugging functions (see also 'undebug')
Router#login
Router(config-if)#clock rate 64000
Router#debug
Auxiliary port

49. Changes buffer size (max 256)
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config-line)#logging synchronous
Router#terminal history size
Router#sh controllers serial 0/0

50. Sets a Telnet password on the router. If this password isn't set - then Telnet can't be used by default
Router(config)#line tty
% Incomplete command
Router(config)#line vty
Router(config)#hostname Todd