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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.

2. RJ-45 (8-pin modular) port; no password by default
Router#access-template
Serial0 is administratively down - line protocol is down
Router#sh ip interface (brief)
Console port

3. Provide information once connected to the device
Router#sh history
Router#enable
Router(config)#interface BVI
Router(config)#banner

4. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Router>enable
Enter global configuration mode
Booting a router
Router(config)#interface range

5. Changes buffer size (max 256)
Router(config-subif)#
Router#terminal history size
Router(config-line)#logging synchronous
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?

6. Cisco Internetwork Operating System
Cisco IOS
Router#clock
Label the interface 'WAN to Miami'
show inter et 0 and notice the port is administratively down

7. Lock the terminal
What command do you type to save the configuration stored in RAM to NVRAM?
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 history
Router#lock

8. Show protocols - show interfaces - show ip interface
Configure the interface IP address to '10.1.5.255 255.255.252.0'
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)#router rip
Router#bfe

9. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Router(config)#interface Dialer
delete the configuration stored in NVRAM
Console port
Atlanta#sh start

10. To configure user-mode passwords
configure terminal (config t)
Router(config)#banner
Router(config-line)#
Router(config)#interface Virtual-Template

11. Ip address 10.1.5.255 255.255.252.0

12. For manual emergency modes setting
Router#disable
Enter global configuration mode
Bandwidth
Router#bfe

13. Exit the console
Router#clear counters s0/0
Router#sh int fastethernet 0/0
Router#exit
Router(config)#interface FastEthernet

14. Turn on privileged commands
Router(config-subif)#
Router#enable
Router(config)#banner incoming
Router#sh history

15. Change a router configuration stored on a TFTP host
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
configure network (config net)
Label the interface 'WAN to Miami'
set a user-mode password for the console port

16. Router(config)#line vty 0 4
Router#enable
Which of the following commands will configure all the default VTY ports on a router?
Router#sh int ethernet0
Used to verify configuration

17. Erase flash or configuration memory
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
configure terminal (config t)
Router#erase
Router(config)#line console 0

18. Cisco CLI that exists in user mode and privileged mode
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Up arrow
EXEC session
What keystroke will terminate setup mode?

19. Configure fastethernet slot0/port0
% Invalid input detected at '^' marker
Router(config)#interface Loopback
Bandwidth
Router(config)#int fa 0/0

20. Interface s0/0
Enter interface configuration mode and configure serial 0/0
Router(config)#enable secret
Router(config)#interface Null
Router(config-line)#exec-timeout

21. Router#reload
Router#lock
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#service password-encryption
reinitialize the router and totally replace the running-config with the current startup-config

22. Global configuration mode
Router#sh controllers serial 0/0
Router#config t
Router#sh int fastethernet 0/0
Router(config)#enable secret todd

23. Exit the console
Console port
Router(config)#interface CTunnel
Router#logout
Router(config)#interface Virtual-Template

24. Sets the aux password; Router(config-line)#password todd; Router(config-line)#login
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(config)#line aux 0
Router#sh running-config (sh run)
Router#help

25. Async interface
What command do you type to save the configuration stored in RAM to NVRAM?
Router(config)#interface Async
Router(config)#enable secret todd
Router#exit

26. Sets the telnet password
Router(config)#int serial 5
% Invalid input detected at '^' marker.
Router(config)#banner incoming
Router(config-line)#line vty 0 4

27. Manage the system clock
configure network (config net)
Router(config)#interface MFR
Router#clock
Bring up Ethernet0

28. There is more than one show command sthat starts with the letters ru.
Router(config)#service password-encryption
Router(config)#line console
Console port
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?

29. To configure routing protocols such as RIP and IGRP
Router(config-router)#
Router(config-line)#line vty 0 4
Atlanta#sh run
Router#sh controllers serial 0/0

30. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Router(config)#interface Tunnel
Bandwidth
Auxiliary port
Router(config)#line aux 0

31. Description of the interactive help system
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
% Incomplete command
Router(config)#line aux 0
Router#help

32. Sets the enable secret password to todd
Router#help
Router(config)#enable secret todd
Router(config)#line aux
Router(config)#interface Virtual-Template

33. 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.
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Atlanta#sh start
Router#logout
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

34. The kernel of Cisco routers and most switches
Router#access-template
Router(config)#banner exec
Booting a router
Cisco IOS

35. Clear counters on an interface
EXEC session
Router(config-if)#clock rate 64000
Router#clear counters s0/0
Router(config)#banner incoming

36. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Cisco IOS
Router(config)#enable password
Router#copy
Auxiliary port

37. Config t - int e0 - no shut
Router#copy
Router#access-enable
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
show inter et 0 and notice the port is administratively down

38. Indicates that the line has been scrolled to the left
Router(config-if)#bandwidth 64
Router(config)#$
Label the interface 'WAN to Miami'
Router(config)#interface Group-Async

39. 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
reinitialize the router and totally replace the running-config with the current startup-config
Router(config-line)#exec-timeout
% Invalid input detected at '^' marker.
Router>logout

40. Null interface
Router(config)#interface Null
Router(config)#interface Virtual-Template
configure network (config net)
Serial interfaces

41. Show terminal
Router>sh controllers s 0
Configure the interface IP address to '10.1.5.255 255.255.252.0'
see the terminal history size
Up arrow

42. Loopback interface
Router(config)#interface Loopback
EXEC session
Router(config)#banner motd
configure memory (config mem)

43. Access from console port - -modem into AUX port - and telnet
Which of the following commands sets the secret password to Cisco?
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
EXEC session
Router#login

44. 'out-of-band' (meaning out of the network) access
Router#bfe
Router(config)#interface MFR
Router#config t
Auxiliary port

45. Exit from the EXEC
Router#exit
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#enable secret todd
Router>enable

46. Configure the bandwidth of a serial interface in kilobits
Router#bfe
Router#disable
Router(config-if)#bandwidth 64
% Incomplete command

47. Ctrl+C
Auxiliary port
What keystroke will terminate setup mode?
Attachment Unit Interface (AUI) connection
Router(config)#hostname Todd

48. Request neighbor and version information from a multicast router
configure terminal (config t)
Router#sh history
Router#mrinfo
Router(config)#banner incoming

49. Multilink Frame Relay bundle interface
Console port
Router(config)#interface MFR
show inter et 0 and notice the port is administratively down
EXEC session

50. Open a terminal connection
Router#terminal history size
Router#connect
Attachment Unit Interface (AUI) connection
Router(config-line)#logging synchronous