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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. Shows previous commands entered
Router#copy
Enable the interface
Router#access-profile
Down arrow

2. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router#sh running-config (sh run)
Router(config)#service password-encryption
Router(config)#enable secret
Router>sh controllers s 0

3. Ctrl+C
What keystroke will terminate setup mode?
see if a serial interface needed to provide clocking
% Ambiguous command:
Router(config)#line tty

4. Config t - enable secret cisco
Atlanta#copy run start
Used to verify configuration
set the enable secret password to cisco
Cisco IOS

5. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Router#sh protocols
Bring up Ethernet0
Router(config)#int fa 0/0
Router(config)#interface Dialer

6. Virtual Template interface
Router#config t
Router(config)#enable password
Router(config)#interface Virtual-Template
If you wanted administrators to see a message when logging into the router - which command would you use?

7. Clock rate 64000
% Ambiguous command:
set a serial interface to provide clocking to another router at 64Kb
Which of the following commands sets the secret password to Cisco?
Router#sh terminal

8. 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
configure terminal (config t)
% Invalid input detected at '^' marker
Router(config)#interface Virtual-Template
Router(config-line)#exec-timeout

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

10. Subinterfaces allow you to create logical interfaces within the router
Router(config-subif)#
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#enable password
Router(config)#line x/y

11. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Router(config)#interface Virtual-TokenRing
Router(config)#interface Group-Async
Router#erase
Atlanta#sh start

12. Go back from privileged mode into user mode
Router(config)#$
Router#disable
Router(config)#int serial 5
Router(config)#interface Vif

13. Erase start
Router(config)#banner
Router(config)#interface Dialer
What command do you type to save the configuration stored in RAM to NVRAM?
Which command will delete the contents of NVRAM on a router?

14. Cisco CLI that exists in user mode and privileged mode
Router#sh int ethernet0
Router(config)#line <0-70>
Router(config)#enable password todd
EXEC session

15. Turn off privileged commands
Router#disable
Router#bfe
see the terminal history size
Router(config)#interface Virtual-TokenRing

16. Provide information once connected to the device
Add a secondary IP address
Router(config)#banner
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router#help

17. Log in as a particular user
What keystroke will terminate setup mode?
Password required - but none set: Which of the following sequences will address this problem correctly?
% Incomplete command
Router#login

18. Erase startup-config
Atlanta#copy run start
Router#debug
delete the configuration stored in NVRAM
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?

19. 5
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#clear counters s0/0
see the terminal history size
Router(config-if)#bandwidth 64

20. Configure fastethernet slot0/port0
Router(config)#router rip
Router(config)#int fa 0/0
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?
delete the configuration stored in NVRAM

21. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Atlanta#copy run start
Which of the following commands sets the secret password to Cisco?
% Ambiguous command:
set the name of a router to Chicago

22. Exit from the EXEC
Router#exit
Router(config)#enable use-tacacs
Enter global configuration mode
Attachment Unit Interface (AUI) connection

23. Exit the console
Router#erase
reinitialize the router and totally replace the running-config with the current startup-config
Router(config)#line console 0
Router#exit

24. Configure serial port 5
Router(config)#interface MFR
Router(config)#int serial 5
Router(config)#interface Virtual-TokenRing
Auxiliary port

25. Sh int e0; config t; int e0; ip address 172.16.10.2 255.255.255.0; no shut; sh int e0
Router(config-if)#clock rate 64000
Configure an IP address on e0
Router#sh int ethernet0
EXEC session

26. Interface range command
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#interface Lex
Router(config)#interface Async
Router(config)#interface range

27. Allows you to configure modem commands so that a modem can be connected to the router
Atlanta#copy run start
Cisco IOS
Auxiliary port
Router(config)#interface Multilink

28. Description WAN to Miami

29. Sets the telnet 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
Router(config-line)#line vty 0 4
Used to verify configuration
Set telnet connection to have no password

30. Show interfaces
Cisco IOS
Router(config)#router rip
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
CLI

31. Async interface
configure terminal (config t)
Router(config)#interface BVI
Router#terminal history size
Router(config)#interface Async

32. 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
Router(config)#interface FastEthernet
Router(config)#banner login
Router(config)#int serial 5
global command

33. Command-line interface
Router#sh int fastethernet 0/0
Booting a router
CLI
Router(config)#enable secret

34. Serial interface
Router#sh protocols
Router#clear
Atlanta#sh start
Router(config)#interface Serial

35. Terminal controller
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Tab
Router(config)#line tty
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR

36. 10Mbps Ethernet network connection
Attachment Unit Interface (AUI) connection
Router#exit
Router(config-router)#
Router(config-line)#logging synchronous

37. Change the startup-config stored in NVRAM
configure memory (config mem)
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Serial0 is administratively down - line protocol is down
Router(config)#hostname Todd

38. Multilink Frame Relay bundle interface
Router(config)#interface range
Router(config)#interface MFR
see the terminal history size
Auxiliary port

39. To configure user-mode passwords
Atlanta#sh run
Exec-timeout 1 44
Booting a router
Router(config-line)#

40. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Booting a router
Router(config-if)#bandwidth 64
Router#configure
Router(config)#enable password

41. To configure routing protocols such as RIP and IGRP
Atlanta(config-if)#description Sales Lan
Router(config-router)#
Configure the interface IP address to '10.1.5.255 255.255.252.0'
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR

42. Turn on privileged commands
Router#enable
Router#erase
Console port
Which of the following commands sets the secret password to Cisco?

43. Sh run
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
view the config
Add a secondary IP address
% Ambiguous command:

44. Stops console messages from popping up and disrupting the input you're trying to type
Router(config-subif)#
set a serial interface to provide clocking to another router at 64Kb
Router(config-line)#logging synchronous
Router#configure

45. Config t - line console 0 - login - password todd
set a user-mode password for the console port
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
view the config
Router#exit

46. Router#reload
Console port
Router(config)#router rip
reinitialize the router and totally replace the running-config with the current startup-config
Router>enable

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

48. Interface configuration mode
Router(config-if)#
Router>
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?
set a user-mode password for the console port

49. Configure ethernet port 0
Router(config)#enable use-tacacs
Router(config)#int ethernet 0
configure terminal (config t)
Router#sh terminal

50. Config t - line vty 0 4 - no login
Router#clear counters s0/0
If you wanted administrators to see a message when logging into the router - which command would you use?
Set telnet connection to have no password
Atlanta#sh run