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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. Ping - traceroute - and telnet
Setup mode
Router(config)#enable password
Used to verify configuration
global command

2. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Router#erase
Router(config-line)#line vty 0 4
Cisco IOS
Bandwidth

3. Change the startup-config stored in NVRAM
configure memory (config mem)
% Incomplete command
Console port
Router#help

4. Exit the console
Router>logout
Cisco IOS
Cisco IOS
Router(config)#interface Async

5. View the current config
Router(config)#enable use-tacacs
Atlanta#sh run
Router(config)#int ethernet 0
Router#terminal history size

6. View hardware addressing - logical addressing - and statistics of an interface
Setup mode
Router#sh int fastethernet 0/0
Router(config)#interface Serial
% Invalid input detected at '^' marker

7. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Set telnet connection to have no password
Add a secondary IP address
EXEC session
Router#copy

8. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Atlanta#sh run
Setup mode
Router#logout
Router(config)#router rip

9. Erase start
Bandwidth
Router>sh controllers s 0
Which command will delete the contents of NVRAM on a router?
Router#clear

10. 'out-of-band' (meaning out of the network) access
reinitialize the router and totally replace the running-config with the current startup-config
Router#copy
Auxiliary port
Router(config)#interface Loopback

11. No shut
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
Bring up Ethernet0
Router#copy
Enable the interface

12. Show terminal
global command
Set telnet connection to have no password
see the terminal history size
Cisco IOS

13. Quick status of layers 1 and 2 of each interface as well as the IP addresses used
Enter global configuration mode
Router#sh protocols
Router#exit
Router(config)#interface Virtual-Template

14. Router(config)#line vty 0 4
Router#clock
Which of the following commands will configure all the default VTY ports on a router?
Which command will delete the contents of NVRAM on a router?
Enable the interface

15. Interface configuration mode
Router(config)#line tty
Router(config)#interface Lex
Router(config)#banner login
Router(config-if)#

16. Config t - hostname Chicago
Router#disable
configure network (config net)
set the name of a router to Chicago
Router#exit

17. Sets a console user-mode password
Router(config-if)#
Router(config)#line console
Router#connect
Atlanta#sh start

18. Erase startup-config
If you wanted administrators to see a message when logging into the router - which command would you use?
delete the configuration stored in NVRAM
% Invalid input detected at '^' marker.
Router(config)#line console 0

19. Subinterfaces allow you to create logical interfaces within the router
Router(config-subif)#
Router(config)#banner
configure network (config net)
% Incomplete command

20. Set only once and affects the entire router
Router#erase
Router(config)#int ethernet 0
global command
Atlanta(config-if)#description Sales Lan

21. Exit from the EXEC
Auxiliary port
Router(config)#banner
% Incomplete command
Router#logout

22. 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)#int fa 0/0
Router(config)#banner incoming
If you wanted administrators to see a message when logging into the router - which command would you use?
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

23. Interface range command
see if a serial interface needed to provide clocking
EXEC session
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 range

24. Change a router configuration stored on a TFTP host
Router(config)#banner login
configure network (config net)
Router(config)#enable password todd
Bandwidth

25. 5
Atlanta#erase startup-config
Atlanta(config-if)#description Sales Lan
EXEC session
How many simultaneous Telnet sessions does a Cisco router support by default?

26. Log in as a particular user
Auxiliary port
see if a serial interface needed to provide clocking
Router(config-line)#line vty 0 4
Router#login

27. Create a temporary Access-List entry
Enable the interface
Router#sh running-config (sh run)
Router#access-template
Router(config)#int fa 0/0

28. Config t
configure network (config net)
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Enter global configuration mode
Router(config)#enable use-tacacs

29. Request neighbor and version information from a multicast router
Router#mrinfo
Router#sh terminal
Booting a router
Router#configure

30. Virtual TokenRing
Router(config-if)#
Router#disable
CLI
Router(config)#interface Virtual-TokenRing

31. Sh int e0; config t; int e0; ip address 172.16.10.2 255.255.255.0; no shut; sh int e0
Router(config)#enable password todd
Configure an IP address on e0
Atlanta(config-if)#description Sales Lan
configure terminal (config t)

32. Physical layer
Serial0 is administratively down - line protocol is down
Router#config t
Router(config)#interface Tunnel
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

33. Clear counters on an interface
Which of the following commands sets the secret password to Cisco?
Router(config)#service password-encryption
see if a serial interface needed to provide clocking
Router#clear counters s0/0

34. This tells the router to authenticate through a TACACS server
Router#logout
set the name of a router to Chicago
Router(config)#enable use-tacacs
Router(config)#banner motd

35. Lock the terminal
Router#lock
Router#login
Router(config-if)#
Used to verify configuration

36. Multiple commands that begin with the string you entered and it's not unique - use the '?'
% Ambiguous command:
If you wanted administrators to see a message when logging into the router - which command would you use?
Router#login
Router(config-if)#clock rate 64000

37. Show interfaces
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#line console 0
Router(config)#interface Tunnel
Tab

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

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39. A line-activation (exec) banner to be displayed when an EXEC process is created
Router(config)#banner exec
Router(config)#banner motd
Atlanta#erase startup-config
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

40. Allows you to still enter the router if you set up authentication through a TACACS server and it's not available. But it isn't used if the TACACS server is working.
Router#bfe
Router#sh terminal
Router(config)#enable last-resort
Configure the interface IP address to '10.1.5.255 255.255.252.0'

41. First Line number
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
set a user-mode password for the console port
Set telnet connection to have no password
Router(config)#line <0-70>

42. 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-line)#exec-timeout
Router(config)#enable password
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)#service password-encryption

43. Config t - enable secret cisco
Router#configure
set a user-mode password for the console port
Label the interface 'WAN to Miami'
set the enable secret password to cisco

44. Global configuration mode
Router(config)#interface Serial
Router#config t
Router#logout
see the terminal history size

45. Router#reload
reinitialize the router and totally replace the running-config with the current startup-config
Router(config-line)#logging synchronous
Router(config-line)#line vty 0 4
CLI

46. CTunnel interface
Router(config)#interface CTunnel
Router(config)#line console
Router(config-line)#logging synchronous
show inter et 0 and notice the port is administratively down

47. Erase flash or configuration memory
Router#sh int fastethernet 0/0
Router#erase
Router(config)#interface Tunnel
Router(config)#$

48. Turn on privileged commands
Router(config-if)#
Down arrow
Router#enable
What command do you type to save the configuration stored in RAM to NVRAM?

49. Shows the running config; passwords may not be encrypted
Router#sh running-config (sh run)
Down arrow
Router(config)#enable password
Atlanta#copy run start

50. Allows you to configure modem commands so that a modem can be connected to the router
Set telnet connection to have no password
Auxiliary port
see the terminal history size
Router(config)#interface CTunnel