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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. Show protocols - show interfaces - show ip interface
Atlanta#sh run
Router>logout
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)#banner

2. Null interface
Router(config)#interface Null
Setup mode
Router#sh protocols
Which of the following commands sets the secret password to Cisco?

3. User mode
Router(config-if)#clock rate 64000
configure terminal (config t)
Router>
Up arrow

4. 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.
set the enable secret password to cisco
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)#enable password
Attachment Unit Interface (AUI) connection

5. Serial interface
Router(config)#interface Serial
Console port
Enter interface configuration mode and configure serial 0/0
Router#clock

6. Loopback interface
Router(config)#enable password todd
Cisco IOS
Router(config)#interface Loopback
Router(config)#router rip

7. 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
Set telnet connection to have no password
Router(config-line)#exec-timeout
Router#copy
Atlanta#sh run

8. There is more than one show command sthat starts with the letters ru.
Router(config-if)#bandwidth 64
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router#sh history
Router(config)#interface Tunnel

9. Show interfaces
Enable the interface
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#line aux 0
Router#access-profile

10. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Router#enable
Bandwidth
Router(config)#line <0-70>
Bring up Ethernet0

11. Configure ethernet port 0
% Invalid input detected at '^' marker
Router(config)#int ethernet 0
Router(config)#enable secret todd
Router(config)#line vty

12. Async interface
Router#exit
Router(config)#interface Async
Router#connect
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)

13. Enter configuration mode
Router#logout
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Router#configure
Atlanta#sh start

14. PGM Multicast Host interface
Atlanta#copy run start
Router(config)#interface Virtual-Template
Router#sh protocols
Router(config)#interface Vif

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

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16. Exit the console
Cisco IOS
Router#exit
set a user-mode password for the console port
If you wanted administrators to see a message when logging into the router - which command would you use?

17. Show info for ethernet0
Router#sh int ethernet0
Router#sh history
reinitialize the router and totally replace the running-config with the current startup-config
Down arrow

18. Bridge-Group Virtual Interface
Router(config)#interface BVI
Router(config-router)#
Tab
Atlanta#sh run

19. Command-line interface
set a user-mode password for the console port
CLI
Router#lock
Router(config)#interface CTunnel

20. The kernel of Cisco routers and most switches
Cisco IOS
see if a serial interface needed to provide clocking
Router(config)#enable password todd
How many simultaneous Telnet sessions does a Cisco router support by default?

21. Config t - line console 0 - login - password todd
set a user-mode password for the console port
Serial interfaces
Router(config)#line console
Router#disable

22. 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?
Router(config)#banner motd
delete the configuration stored in NVRAM
Router#login

23. Slot/Port for Modems
Router(config)#interface Lex
Router#sh terminal
Router(config)#line x/y
Router(config-line)#exec-timeout

24. Create a temporary Access-List entry
Router#lock
Router#access-template
Router#logout
Set telnet connection to have no password

25. Turn on privileged commands
Router#enable
Router#sh version
Router>sh controllers s 0
Router#lock

26. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Router#clear counters s0/0
Router(config)#enable password
Router(config)#interface Multilink
Router#access-template

27. A line-activation (exec) banner to be displayed when an EXEC process is created
Set telnet connection to have no password
Router(config)#banner exec
Router#
Cisco IOS

28. Show controllers int
delete the configuration stored in NVRAM
Router#clear
see if a serial interface needed to provide clocking
Router(config)#interface Serial

29. Sets the enable password to todd
Router(config)#enable password todd
see the terminal history size
Router(config)#banner incoming
EXEC session

30. 10Mbps Ethernet network connection
Router#sh ip interface (brief)
Attachment Unit Interface (AUI) connection
Router(config)#line tty
Router#sh controllers serial 0/0

31. Turn off privileged commands
Add a secondary IP address
Router#disable
Router#terminal history size
Enter interface configuration mode and configure serial 0/0

32. Router#copy run startup
Set telnet connection to have no password
Configure an IP address on e0
Router#access-enable
What command do you type to save the configuration stored in RAM to NVRAM?

33. WAN connections
Router(config)#line aux
Serial interfaces
Router(config)#interface Group-Async
Router(config)#banner exec

34. Access from console port - -modem into AUX port - and telnet
EXEC session
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router(config)#interface Vif
Router>enable

35. Tunnel interface
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)#interface Tunnel
Router(config-subif)#
What command do you type to save the configuration stored in RAM to NVRAM?

36. Shows terminal configurations and history buffer size
Router#sh terminal
Router(config)#interface Loopback
Set telnet connection to have no password
Router(config)#line <0-70>

37. Debugging functions (see also 'undebug')
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#debug
see the terminal history size
Up arrow

38. Show terminal
Router(config)#interface Virtual-Template
Router#clear
Which command will delete the contents of NVRAM on a router?
see the terminal history size

39. Configure serial port 5
Router(config)#interface Lex
set the enable secret password to cisco
Router(config)#int serial 5
Router(config)#hostname Todd

40. Ping - traceroute - and telnet
Used to verify configuration
Router(config-if)#
Router#clear
Router(config)#enable password

41. Interface range command
Router(config)#interface range
Which of the following commands will configure all the default VTY ports on a router?
Router#sh ip interface (brief)
Tab

42. Go back from privileged mode into user mode
Router(config)#line console 0
Router(config)#interface Serial
Atlanta#sh start
Router#disable

43. Exit the console
Router(config)#interface range
Router(config)#interface Virtual-TokenRing
Router>logout
Router(config-if)#bandwidth 64

44. 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)
Atlanta#sh start
Router(config)#interface MFR
Router#sh controllers serial 0/0
show inter et 0 and notice the port is administratively down

45. Configure RIP Protocol
Attachment Unit Interface (AUI) connection
set a serial interface to provide clocking to another router at 64Kb
Router(config)#router rip
Router#sh history

46. SFRemote(config-line)#login
Set telnet connection to have no password
Router(config)#line console 0
Password required - but none set: Which of the following sequences will address this problem correctly?
EXEC session

47. Config t - int e0 - no shut
delete the configuration stored in NVRAM
Router#copy
Router#debug
show inter et 0 and notice the port is administratively down

48. Request neighbor and version information from a multicast router
Router#logout
Router#mrinfo
Router(config)#service password-encryption
set a user-mode password for the console port

49. Manage the system clock
Atlanta#erase startup-config
Router#disable
Router(config)#line console 0
Router#clock

50. Cisco Internetwork Operating System
Router#connect
show inter et 0 and notice the port is administratively down
Router(config-if)#clock rate 64000
Cisco IOS