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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. Interface range command
Router(config)#interface range
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#enable last-resort
Router#sh running-config (sh run)

2. Router#copy run startup
Router(config)#int fa 0/0
Router(config)#line x/y
reinitialize the router and totally replace the running-config with the current startup-config
What command do you type to save the configuration stored in RAM to NVRAM?

3. Sh run
view the config
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
% Incomplete command
configure network (config net)

4. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Router#disable
Booting a router
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

5. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
configure terminal (config t)
Auxiliary port
Atlanta#copy run start
Bandwidth

6. Erase start
Router#lock
Router#config t
Router#mrinfo
Which command will delete the contents of NVRAM on a router?

7. Reset functions
What command do you type to save the configuration stored in RAM to NVRAM?
Router#clear
Enter interface configuration mode and configure serial 0/0
Serial0 is administratively down - line protocol is down

8. Sets the enable secret password to todd
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 Lex
Router(config)#enable secret todd
Router#access-template

9. Show controllers int
see if a serial interface needed to provide clocking
show inter et 0 and notice the port is administratively down
Router#access-profile
Router(config)#banner motd

10. Async Group interface
Router(config)#interface Group-Async
Router(config)#line tty
Router#clear counters s0/0
Router(config)#interface Serial

11. Change a router configuration stored on a TFTP host
Auxiliary port
configure network (config net)
Router(config)#banner exec
Router(config)#int ethernet 0

12. Tunnel interface
Which command will delete the contents of NVRAM on a router?
Serial interfaces
Router(config)#interface Tunnel
Router(config)#interface Async

13. Sets the enable password to todd
Router(config)#enable password todd
Atlanta#sh run
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)#interface Multilink

14. A line-activation (exec) banner to be displayed when an EXEC process is created
Router#help
Bring up Ethernet0
Router(config)#banner exec
% Ambiguous command:

15. 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#enable
show inter et 0 and notice the port is administratively down
Router#exit

16. Ip address 10.1.5.255 255.255.252.0

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17. Configure fastethernet slot0/port0
Router(config-subif)#
Router(config)#int fa 0/0
Router(config)#line x/y
set a user-mode password for the console port

18. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Serial interfaces
Router#sh int ethernet0
Router(config)#banner login
Exec-timeout 1 44

19. 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#disable
Router#sh ip interface (brief)
Atlanta#erase startup-config

20. Banner motd
Router#login
Router#configure
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
If you wanted administrators to see a message when logging into the router - which command would you use?

21. Lex interface
Router#copy
If you wanted administrators to see a message when logging into the router - which command would you use?
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Router(config)#interface Lex

22. Shows previous commands entered
Router(config)#interface CTunnel
Router#access-enable
Down arrow
Router>

23. Lock the terminal
Label the interface 'WAN to Miami'
Router#lock
Router(config-line)#line vty 0 4
Router(config)#interface Lex

24. Exit the console
% Invalid input detected at '^' marker
Router#logout
Atlanta#copy run start
Router#sh ip interface (brief)

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

26. 10Mbps Ethernet network connection
Router>sh controllers s 0
Router#enable
Attachment Unit Interface (AUI) connection
set a serial interface to provide clocking to another router at 64Kb

27. Show protocols - show interfaces - show ip interface
Configure an IP address on e0
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router#sh int fastethernet 0/0
Serial0 is administratively down - line protocol is down

28. Config t
Enter global configuration mode
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router#configure
Router#sh int fastethernet 0/0

29. Finishes typing a command for you
Tab
Router#sh running-config (sh run)
% Invalid input detected at '^' marker
global command

30. Router(config)#line vty 0 4
Which of the following commands will configure all the default VTY ports on a router?
Router#sh protocols
global command
Serial interfaces

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

32. Dialer interface
Router(config)#enable secret
Router(config-if)#
Router(config)#line aux 0
Router(config)#interface Dialer

33. Null interface
Router(config)#line console
Router(config-line)#logging synchronous
Router(config)#interface Null
Router#access-template

34. Configure the bandwidth of a serial interface in kilobits
Router(config-if)#bandwidth 64
% Incomplete command
Router(config)#enable last-resort
Up arrow

35. Change the running-config running in dynamic RAM (DRAM)
Label the interface 'WAN to Miami'
Router#login
Router(config)#int fa 0/0
configure terminal (config t)

36. Indicates that the line has been scrolled to the left
Exec-timeout 1 44
Router(config)#$
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#banner motd

37. Multilink Frame Relay bundle interface
Router(config)#interface MFR
Router#debug
Router#
Router(config-if)#

38. Sets the user-mode password for the auxiliary port. It's usually used for attaching a modem to the router - but it can be used as a console as well
Router(config)#enable secret
Router(config)#hostname Todd
Router(config)#line aux
Router#sh version

39. Debugging functions (see also 'undebug')
Router(config)#interface Null
Router(config)#interface Virtual-TokenRing
Console port
Router#debug

40. Set only once and affects the entire router
global command
Used to verify configuration
Router(config)#interface Serial
Router#clear counters s0/0

41. Setup mode
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router#sh terminal
Router(config)#int serial 5
Router(config)#interface Async

42. To configure user-mode passwords
Router#exit
Router(config-line)#
Set telnet connection to have no password
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

43. Cisco CLI that exists in user mode and privileged mode
see if a serial interface needed to provide clocking
EXEC session
Router(config)#interface MFR
Router(config)#enable secret

44. Turn off privileged commands
Router#logout
set the enable secret password to cisco
Router#disable
Atlanta#sh run

45. There is more than one show command sthat starts with the letters ru.
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
% Incomplete command
Router(config)#interface BVI

46. Names the router Todd; Todd(config)#
What command do you type to save the configuration stored in RAM to NVRAM?
Router(config)#hostname Todd
view the config
Router(config-router)#

47. This is the newer - encrypted password that overrides the enable password if it's set
Router(config)#enable secret
see the terminal history size
Router#clock
Router(config-if)#bandwidth 64

48. Configure ethernet port 0
Router(config)#interface Vif
Router(config)#int ethernet 0
Router#sh controllers serial 0/0
Router(config)#interface MFR

49. Exit the console
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#interface FastEthernet
Router>logout
Router(config)#interface Multilink

50. Enter configuration mode
Atlanta(config-if)#description Sales Lan
Router#configure
Router#sh running-config (sh run)
see the terminal history size