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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. Sets the console password
Configure an IP address on e0
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
reinitialize the router and totally replace the running-config with the current startup-config
Router(config)#line console 0

2. Virtual TokenRing
Router(config)#hostname Todd
Router#debug
Router(config)#interface Virtual-TokenRing
Router(config)#line console 0

3. 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.
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#banner login
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 Async

4. Setup mode
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router>sh controllers s 0
Router#connect
Router#exit

5. 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
Router(config)#enable password todd
set a user-mode password for the console port
Router(config-line)#exec-timeout
Router(config)#line <0-70>

6. RJ-45 (8-pin modular) port; no password by default
Router>
Router#sh running-config (sh run)
set the enable secret password to cisco
Console port

7. Exit from the EXEC
Router#logout
Router(config)#interface Dialer
Enable the interface
Which of the following commands will configure all the default VTY ports on a router?

8. SFRemote(config-line)#login
Router#copy
Router(config)#interface Async
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#int fa 0/0

9. CTunnel interface
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router(config)#interface CTunnel
reinitialize the router and totally replace the running-config with the current startup-config
Attachment Unit Interface (AUI) connection

10. Show interfaces
Router#sh version
Router(config)#line aux
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Exec-timeout 1 44

11. Set only once and affects the entire router
Router(config)#banner
global command
Router(config)#enable last-resort
Router(config)#line console 0

12. Clear counters on an interface
Router#mrinfo
Router#clear
Router#clear counters s0/0
Down arrow

13. Interface range command
Router(config)#interface range
Router(config)#interface Loopback
Router(config)#enable secret
Router#configure

14. Cisco Internetwork Operating System
Router#access-template
Cisco IOS
Bandwidth
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

15. 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(config)#interface Vif
% Incomplete command
Router(config)#interface Serial

16. To be displayed on terminals connected to reverse Telnet lines. This banner is useful for providing instructions to users who use reverse Telnet.
Router(config)#banner incoming
Auxiliary port
Router(config)#interface Virtual-TokenRing
Router#sh history

17. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Router(config)#interface Loopback
Router(config-if)#
Which of the following commands sets the secret password to Cisco?
Bandwidth

18. Ping - traceroute - and telnet
Used to verify configuration
Router(config)#enable password todd
Router#terminal history size
Router(config)#banner exec

19. Stops console messages from popping up and disrupting the input you're trying to type
Router(config)#interface range
Router(config-line)#logging synchronous
outer#disconnect
Router(config-line)#exec-timeout

20. Shows last command entered
Router#sh running-config (sh run)
Up arrow
Router(config)#banner exec
Router(config)#interface Tunnel

21. Command-line interface
Router(config)#$
Router(config)#interface Tunnel
Router(config)#line <0-70>
CLI

22. Subinterfaces allow you to create logical interfaces within the router
Router(config-router)#
Router(config-line)#logging synchronous
Auxiliary port
Router(config-subif)#

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

24. Router#reload
% Ambiguous command:
reinitialize the router and totally replace the running-config with the current startup-config
configure terminal (config t)
Router#clear counters s0/0

25. Exit the console
EXEC session
Router(config)#line aux 0
Router(config)#banner incoming
Router>logout

26. Lex interface
show inter et 0 and notice the port is administratively down
Router(config)#interface Lex
Router#config t
Router(config)#line console 0

27. No shut
Router#exit
Enable the interface
Router#terminal history size
set the enable secret password to cisco

28. Loopback interface
Router#sh running-config (sh run)
Router(config)#interface Loopback
Tab
Router#sh controllers serial 0/0

29. Shows terminal configurations and history buffer size
Booting a router
Router(config)#line x/y
Router#sh terminal
outer#disconnect

30. Config t - line console 0 - login - password todd
set a user-mode password for the console port
EXEC session
Configure an IP address on e0
Router>enable

31. Turn on privileged commands
Router#enable
Router(config)#interface Null
set a serial interface to provide clocking to another router at 64Kb
Which command will delete the contents of NVRAM on a router?

32. Router#copy run startup
% Invalid input detected at '^' marker
Auxiliary port
Router(config)#banner login
What command do you type to save the configuration stored in RAM to NVRAM?

33. Create a temporary Access-List entry
Router(config)#interface Loopback
Enter global configuration mode
reinitialize the router and totally replace the running-config with the current startup-config
Router#access-enable

34. Names the router Todd; Todd(config)#
Router(config)#hostname Todd
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?
Which of the following commands will configure all the default VTY ports on a router?
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

35. Terminal controller
Auxiliary port
Router#bfe
Router(config)#line tty
Router#

36. There is more than one show command sthat starts with the letters ru.
Which of the following commands will configure all the default VTY ports on a router?
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router#logout
Router#lock

37. Config t
Enter global configuration mode
Router#debug
Router>enable
Exec-timeout 1 44

38. 'out-of-band' (meaning out of the network) access
Router(config)#banner login
Auxiliary port
Up arrow
Router(config)#banner incoming

39. To configure user-mode passwords
Router(config)#interface Virtual-TokenRing
Router(config-line)#
Router#debug
Router#enable

40. Show controllers int
see if a serial interface needed to provide clocking
Router(config)#enable last-resort
Router#disable
What command do you type to save the configuration stored in RAM to NVRAM?

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

42. Exit from the EXEC
Router(config)#enable last-resort
Router#exit
Router(config-subif)#
Configure the interface IP address to '10.1.5.255 255.255.252.0'

43. First Line number
What keystroke will terminate setup mode?
EXEC session
Router(config)#line <0-70>
Router#mrinfo

44. Log in as a particular user
Atlanta#erase startup-config
Router#lock
Label the interface 'WAN to Miami'
Router#login

45. Sh run
view the config
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
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-line)#line vty 0 4

46. Async interface
CLI
Router(config)#interface Async
Configure an IP address on e0
Router#logout

47. Enter configuration mode
Router#sh history
Bring up Ethernet0
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
Router#configure

48. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Configure an IP address on e0
Booting a router
Router#access-enable
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

49. Show info for ethernet0
Router#access-profile
Router#sh int ethernet0
Router(config-line)#logging synchronous
Router(config)#interface Lex

50. Interface s0/0
Router#sh protocols
Router(config)#enable secret
Setup mode
Enter interface configuration mode and configure serial 0/0