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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. Show controllers int
Router(config)#interface CTunnel
% Invalid input detected at '^' marker
Router#login
see if a serial interface needed to provide clocking

2. There is more than one show command sthat starts with the letters ru.
Configure an IP address on e0
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Setup mode
Router(config)#interface Loopback

3. Multilink Frame Relay bundle interface
Router#sh ip interface (brief)
Router(config)#interface MFR
Router(config)#banner exec
set a user-mode password for the console port

4. Tunnel interface
Used to verify configuration
configure network (config net)
Router(config)#interface Tunnel
Router(config)#banner login

5. Config t
Serial interfaces
Router(config)#line aux
Enter global configuration mode
Router(config)#interface range

6. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
Router#sh version
Router(config)#enable password
Router#bfe
Router#sh controllers serial 0/0

7. Show interfaces
Router#clear
Router#logout
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config-line)#logging synchronous

8. Shows last 10 commands entered by default
Router#erase
configure memory (config mem)
What keystroke will terminate setup mode?
Router#sh history

9. View hardware addressing - logical addressing - and statistics of an interface
Router#logout
Router#sh int ethernet0
Router#connect
Router#sh int fastethernet 0/0

10. Loopback interface
Router(config)#banner exec
global command
Router#clear
Router(config)#interface Loopback

11. 5
Router(config-if)#bandwidth 64
Router#sh version
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#access-profile

12. Stops console messages from popping up and disrupting the input you're trying to type
view the config
Router(config-line)#logging synchronous
Router#sh ip interface (brief)
Router#exit

13. Show info for ethernet0
Atlanta#copy run start
Router(config)#router rip
Router#sh int ethernet0
Router(config-line)#exec-timeout

14. Exit the console
Router#sh protocols
Router#exit
Router#access-template
Router(config)#banner exec

15. Log in as a particular user
Router#login
Router(config)#interface Lex
Router(config)#enable password todd
Router(config)#interface Tunnel

16. 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#login
Router(config)#enable last-resort
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Router(config)#interface Vif

17. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Atlanta#sh run
Router#exit
Add a secondary IP address
Exec-timeout 1 44

18. Lex interface
Router(config)#router rip
Router#mrinfo
Serial interfaces
Router(config)#interface Lex

19. Config t - enable secret cisco
Router(config)#interface Lex
Serial0 is administratively down - line protocol is down
Router#connect
set the enable secret password to cisco

20. Config t - int e0 - no shut
show inter et 0 and notice the port is administratively down
Router(config)#int serial 5
Atlanta(config-if)#description Sales Lan
How many simultaneous Telnet sessions does a Cisco router support by default?

21. Request neighbor and version information from a multicast router
Router#mrinfo
Router#disable
Router(config-subif)#
Exec-timeout 1 44

22. Ping - traceroute - and telnet
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Set telnet connection to have no password
Router(config)#service password-encryption
Used to verify configuration

23. 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.
Enter global configuration mode
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
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 aux 0

24. Null interface
Router(config)#interface Null
Router(config)#interface Group-Async
Router(config)#interface CTunnel
Router#access-profile

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

26. Sets a console user-mode password
Router(config)#line aux
Router(config)#line aux 0
Router(config)#line console
Router#logout

27. Interface s0/0
Router(config)#interface Null
Router(config)#banner motd
Enter interface configuration mode and configure serial 0/0
show inter et 0 and notice the port is administratively down

28. 10Mbps Ethernet network connection
Attachment Unit Interface (AUI) connection
Tab
Router(config)#interface Multilink
% Ambiguous command:

29. Configure RIP Protocol
Router(config)#router rip
Router#mrinfo
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#enable use-tacacs

30. Slot/Port for Modems
Enable the interface
Router(config)#interface Vif
Router(config)#line x/y
Router(config)#interface Loopback

31. Description of the interactive help system
Router(config-router)#
Router#help
% Incomplete command
reinitialize the router and totally replace the running-config with the current startup-config

32. Clock rate 64000
Set telnet connection to have no password
set a serial interface to provide clocking to another router at 64Kb
outer#disconnect
set the name of a router to Chicago

33. Configure a DCE serial interface in bits per second
Router(config)#interface Loopback
Router(config-if)#clock rate 64000
Router(config)#interface Virtual-Template
Router#sh version

34. Configure ethernet port 0
What keystroke will terminate setup mode?
Router(config)#interface Multilink
Router(config)#router rip
Router(config)#int ethernet 0

35. Erase flash or configuration memory
Router#erase
EXEC session
Serial interfaces
Bring up Ethernet0

36. Disconnect an existing network connection
Router#
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router#connect
outer#disconnect

37. Reset functions
If you wanted administrators to see a message when logging into the router - which command would you use?
% Ambiguous command:
Router#clear
Down arrow

38. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Router(config)#enable use-tacacs
Router(config)#line <0-70>
Which command will delete the contents of NVRAM on a router?
Bring up Ethernet0

39. Dialer interface
Router>sh controllers s 0
Router(config)#interface Dialer
Router(config)#int serial 5
Router(config)#enable use-tacacs

40. This is the newer - encrypted password that overrides the enable password if it's set
Router#enable
Router(config-router)#
Router(config-line)#line vty 0 4
Router(config)#enable secret

41. Sets the enable password to todd
Router>
Router(config)#interface Lex
Router(config)#enable password todd
Atlanta#copy run start

42. PGM Multicast Host interface
Router(config-line)#logging synchronous
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#interface Vif
configure memory (config mem)

43. Changes buffer size (max 256)
configure terminal (config t)
Router(config-subif)#
Router#terminal history size
Which command will delete the contents of NVRAM on a router?

44. Serial interface
Router(config)#interface Serial
Which of the following commands will configure all the default VTY ports on a router?
Router(config-line)#logging synchronous
Console port

45. Shows terminal configurations and history buffer size
Router#sh protocols
Router#login
Router#sh terminal
Router#mrinfo

46. The administrator has the interface shut down.
Serial0 is administratively down - line protocol is down
Router#sh int fastethernet 0/0
Enter interface configuration mode and configure serial 0/0
What keystroke will terminate setup mode?

47. See if a router's serial interface has a DCE cable connected
Router(config)#interface Null
Router(config)#enable password
Router#copy
Router>sh controllers s 0

48. 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)#line console
Router(config)#line tty
Router(config)#line vty

49. 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
Router(config-line)#exec-timeout
Which of the following commands sets the secret password to Cisco?
How many simultaneous Telnet sessions does a Cisco router support by default?

50. Sets the aux password; Router(config-line)#password todd; Router(config-line)#login
Router(config)#interface Vif
Router#sh running-config (sh run)
Router(config)#line aux 0
Atlanta#erase startup-config