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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. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Router#lock
How many simultaneous Telnet sessions does a Cisco router support by default?
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Bring up Ethernet0

2. Turn off privileged commands
Router#disable
Router>sh controllers s 0
Router#terminal history size
Router#sh protocols

3. Config t - line console 0 - login - password todd
Router#logout
Router(config-if)#bandwidth 64
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
set a user-mode password for the console port

4. Command string isn't done yet
% Incomplete command
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
global command
Router(config)#banner incoming

5. 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.
Router(config)#banner
Router(config)#line x/y
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
How many simultaneous Telnet sessions does a Cisco router support by default?

6. Cisco CLI that exists in user mode and privileged mode
see the terminal history size
Router(config)#interface Multilink
delete the configuration stored in NVRAM
EXEC session

7. Global configuration mode and changes what's known as the running-config
Add a secondary IP address
Router(config-line)#logging synchronous
Router(config)#interface Tunnel
configure terminal (config t)

8. Ip address 10.1.5.255 255.255.252.0

9. Change a router configuration stored on a TFTP host
Router#sh terminal
% Invalid input detected at '^' marker.
configure network (config net)
% Invalid input detected at '^' marker

10. Indicates that the line has been scrolled to the left
Router(config)#line tty
set a serial interface to provide clocking to another router at 64Kb
% Invalid input detected at '^' marker
Router(config)#$

11. Interface range command
Which of the following commands sets the secret password to Cisco?
Router(config)#service password-encryption
Which of the following commands will configure all the default VTY ports on a router?
Router(config)#interface range

12. Erase startup-config
Router#sh history
Down arrow
delete the configuration stored in NVRAM
% Invalid input detected at '^' marker.

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

14. 'out-of-band' (meaning out of the network) access
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
Serial0 is administratively down - line protocol is down
Auxiliary port
Router#sh int ethernet0

15. Open a terminal connection
Router#connect
Router(config)#line console
Up arrow
Router(config)#interface FastEthernet

16. Router(config)#line vty 0 4
Router(config)#enable secret
Exec-timeout 1 44
set a serial interface to provide clocking to another router at 64Kb
Which of the following commands will configure all the default VTY ports on a router?

17. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Router(config)#enable password
Tab
Router(config)#banner motd
Atlanta#sh start

18. Configure serial port 5
Bandwidth
Setup mode
Router(config)#int serial 5
Router#sh int fastethernet 0/0

19. Erase flash or configuration memory
Router(config)#banner exec
set a serial interface to provide clocking to another router at 64Kb
set a user-mode password for the console port
Router#erase

20. Config t - hostname Chicago
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 <0-70>
Enable the interface
set the name of a router to Chicago

21. Banner motd
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#interface Tunnel
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Set telnet connection to have no password

22. Debugging functions (see also 'undebug')
Router#debug
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(config)#int serial 5
Router#access-template

23. FastEthernet IEEE 802.3
Router#disable
set a serial interface to provide clocking to another router at 64Kb
Router(config)#interface FastEthernet
Router(config)#enable password todd

24. Request neighbor and version information from a multicast router
Router(config)#enable last-resort
% Invalid input detected at '^' marker
Router#access-enable
Router#mrinfo

25. Change the startup-config stored in NVRAM
Router#
configure memory (config mem)
configure terminal (config t)
Router(config)#interface Lex

26. Command-line interface
Console port
Router(config)#enable password
CLI
Router(config)#interface Virtual-Template

27. PGM Multicast Host interface
Router(config)#interface Vif
Cisco IOS
Router(config)#hostname Todd
set the name of a router to Chicago

28. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Router#
Atlanta(config-if)#description Sales Lan
Router#exit
Add a secondary IP address

29. Physical layer
Router#sh ip interface (brief)
% Ambiguous command:
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
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

30. 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)
Router#exit
Router(config-line)#exec-timeout
Serial interfaces

31. Go back from privileged mode into user mode
What keystroke will terminate setup mode?
Router#disable
Booting a router
Router#sh terminal

32. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Setup mode
Router(config-if)#clock rate 64000
Router(config)#interface Loopback
Configure an IP address on e0

33. Erase start
Router(config-line)#logging synchronous
Router(config)#banner exec
Configure an IP address on e0
Which command will delete the contents of NVRAM on a router?

34. Manually save the file from DRAM to NVRAM
set a serial interface to provide clocking to another router at 64Kb
Router(config)#line aux 0
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Atlanta#copy run start

35. WAN connections
Router>enable
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Serial interfaces
Router#disable

36. 5
Router#help
What keystroke will terminate setup mode?
Router(config)#enable use-tacacs
How many simultaneous Telnet sessions does a Cisco router support by default?

37. Description of the interactive help system
Router#help
Router>
Router(config)#$
EXEC session

38. Slot/Port for Modems
Router(config)#interface MFR
Router(config)#line x/y
configure terminal (config t)
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR

39. Router#reload
Router(config)#interface BVI
reinitialize the router and totally replace the running-config with the current startup-config
Router(config-if)#bandwidth 64
How many simultaneous Telnet sessions does a Cisco router support by default?

40. View hardware addressing - logical addressing - and statistics of an interface
Router#sh int fastethernet 0/0
Router(config)#interface Null
Configure an IP address on e0
Router(config)#interface range

41. Configure fastethernet slot0/port0
Router#disable
Router(config)#interface Virtual-TokenRing
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)#int fa 0/0

42. Turn on privileged commands
Router#exit
Router#enable
Setup mode
Router#sh int fastethernet 0/0

43. Loopback interface
Atlanta#sh start
Router(config)#interface Serial
Router(config)#interface range
Router(config)#interface Loopback

44. Change the running-config running in dynamic RAM (DRAM)
Router(config)#line tty
Router#access-template
configure terminal (config t)
Router(config)#enable password

45. Async Group interface
Router(config)#interface Group-Async
Router(config)#interface Lex
Router#debug
Router#connect

46. Provide information once connected to the device
Router(config)#banner
Router#sh terminal
Router(config)#$
Router#lock

47. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Exec-timeout 1 44
Configure an IP address on e0
% Ambiguous command:
CLI

48. Virtual TokenRing
Router(config)#interface Virtual-TokenRing
Router(config)#banner exec
Router(config)#router rip
Router(config)#int ethernet 0

49. Shows terminal configurations and history buffer size
Router#exit
Router(config)#int fa 0/0
Router#debug
Router#sh terminal

50. Part of the command is missing.
% Invalid input detected at '^' marker.