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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. 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
configure terminal (config t)
Router(config)#banner login
Router#disable
Router#mrinfo

2. Apply user-profile to interface
view the config
Atlanta#sh start
Router#access-profile
Router#logout

3. Stops console messages from popping up and disrupting the input you're trying to type
Atlanta#erase startup-config
Router(config-line)#logging synchronous
Router(config-line)#
Router(config)#line vty

4. Virtual TokenRing
Router(config)#interface Null
Router(config)#interface Virtual-TokenRing
Router(config)#interface CTunnel
Router#mrinfo

5. Changes buffer size (max 256)
Router(config)#line <0-70>
Router>
Router#terminal history size
Router(config)#enable last-resort

6. Shows previous commands entered
Router#exit
% Incomplete command
Router#debug
Down arrow

7. Physical layer
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>logout
% Invalid input detected at '^' marker
Exec-timeout 1 44

8. Configure a DCE serial interface in bits per second
Router(config-if)#clock rate 64000
Router(config)#interface Virtual-Template
Router#sh int fastethernet 0/0
Router(config)#line tty

9. FastEthernet IEEE 802.3
Router(config-line)#logging synchronous
Router(config)#hostname Todd
configure terminal (config t)
Router(config)#interface FastEthernet

10. Delete the start-up config
Router(config-if)#bandwidth 64
Atlanta#erase startup-config
Router#lock
Router(config)#interface Dialer

11. Config t - line vty 0 4 - no login
Set telnet connection to have no password
Router(config)#interface Tunnel
Enter interface configuration mode and configure serial 0/0
configure network (config net)

12. Router#copy run startup
What command do you type to save the configuration stored in RAM to NVRAM?
Router(config)#enable secret
Router#access-template
Atlanta#sh start

13. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Exec-timeout 1 44
Router(config)#interface Virtual-TokenRing
Booting a router
outer#disconnect

14. Config t
Enter global configuration mode
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
EXEC session
set a serial interface to provide clocking to another router at 64Kb

15. Sh int e0; config t; int e0; ip address 172.16.10.2 255.255.255.0; no shut; sh int e0
Router(config)#enable password todd
Router#debug
Configure an IP address on e0
Cisco IOS

16. Subinterfaces allow you to create logical interfaces within the router
Router(config-subif)#
Router#disable
Router(config-line)#
Router(config)#service password-encryption

17. Ping - traceroute - and telnet
configure network (config net)
Enable the interface
Used to verify configuration
Label the interface 'WAN to Miami'

18. Allows you to still enter the router if you set up authentication through a TACACS server and it's not available. But it isn't used if the TACACS server is working.
Router#login
CLI
Router(config)#enable last-resort
Router(config)#service password-encryption

19. For manual emergency modes setting
Setup mode
Router(config)#enable use-tacacs
Router#bfe
Router#sh int ethernet0

20. Interface s0/0
Router#lock
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
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Enter interface configuration mode and configure serial 0/0

21. Enter configuration mode
Router#configure
Router(config)#enable use-tacacs
Attachment Unit Interface (AUI) connection
Router(config)#interface range

22. Configure ethernet port 0
Router(config)#int ethernet 0
Router(config)#interface CTunnel
Router(config)#line <0-70>
Router#terminal history size

23. Clock rate 64000
Router>sh controllers s 0
set a serial interface to provide clocking to another router at 64Kb
delete the configuration stored in NVRAM
Router#sh controllers serial 0/0

24. Description WAN to Miami

25. Privileged mode
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#enable last-resort
Router>enable
Serial interfaces

26. Global configuration mode
Router#config t
Up arrow
Bandwidth
Label the interface 'WAN to Miami'

27. Show terminal
Atlanta#sh start
Router(config-line)#logging synchronous
Router(config)#line console 0
see the terminal history size

28. Indicates that the line has been scrolled to the left
Atlanta#sh run
Router(config)#$
Atlanta#copy run start
Router(config)#line <0-70>

29. Cisco Internetwork Operating System
Cisco IOS
Atlanta(config-if)#description Sales Lan
Auxiliary port
Router#bfe

30. Sets the console password
Router(config)#hostname Todd
Router(config)#line console 0
Router#enable
Router#clock

31. CTunnel interface
Router(config)#router rip
How many simultaneous Telnet sessions does a Cisco router support by default?
Router(config)#interface CTunnel
Router(config-if)#clock rate 64000

32. Async Group interface
Router(config)#interface Virtual-TokenRing
Router(config)#interface Group-Async
Booting a router
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

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

34. Set only once and affects the entire router
Which command will delete the contents of NVRAM on a router?
global command
Router#bfe
Router(config)#line x/y

35. 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)
EXEC session
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
Router#sh controllers serial 0/0
Router#sh history

36. Exit the console
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)#interface Virtual-Template
Router>logout
Router#terminal history size

37. First Line number
Router(config)#line <0-70>
Router(config)#line console
Router#clock
Up arrow

38. Shows terminal configurations and history buffer size
Setup mode
Router#sh terminal
view the config
Router(config)#interface Null

39. No shut
Router(config)#interface range
Router(config-line)#logging synchronous
Enable the interface
Router(config)#interface Null

40. Turn off privileged commands
Router#access-profile
set the name of a router to Chicago
Router(config)#interface Loopback
Router#disable

41. WAN connections
Router#configure
Serial interfaces
outer#disconnect
Tab

42. Change the running-config running in dynamic RAM (DRAM)
Router(config)#interface Vif
configure terminal (config t)
Enter global configuration mode
Setup mode

43. Create a temporary Access-List entry
Atlanta(config-if)#description Sales Lan
Router#access-template
Router(config)#hostname Todd
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

44. Command-line interface
CLI
Router(config-if)#clock rate 64000
Enable the interface
Router(config)#int serial 5

45. Serial interface
Router(config)#interface Serial
Router>
Auxiliary port
Router#disable

46. Configure the bandwidth of a serial interface in kilobits
Router(config-if)#bandwidth 64
Router(config)#line vty
Router#erase
Router(config-router)#

47. Disconnect an existing network connection
outer#disconnect
Router#sh int fastethernet 0/0
Router(config)#banner motd
Router#debug

48. Copy configuration or image data
Router#copy
EXEC session
Router(config)#line console 0
Router(config)#interface Serial

49. Slot/Port for Modems
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)#line x/y
Router(config)#int ethernet 0
Router(config)#interface BVI

50. Ip address 10.1.5.255 255.255.252.0