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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. Loopback interface
Cisco IOS
Router(config-if)#clock rate 64000
Router(config)#line vty
Router(config)#interface Loopback

2. Change a router configuration stored on a TFTP host
set a serial interface to provide clocking to another router at 64Kb
Router#config t
Router(config)#enable secret
configure network (config net)

3. Erase startup-config
Router(config-router)#
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
delete the configuration stored in NVRAM
Router(config)#int serial 5

4. Config t
Enter global configuration mode
Set telnet connection to have no password
show inter et 0 and notice the port is administratively down
Atlanta#copy run start

5. Copy configuration or image data
Router#copy
% Invalid input detected at '^' marker
delete the configuration stored in NVRAM
see if a serial interface needed to provide clocking

6. The administrator has the interface shut down.
Router(config)#interface FastEthernet
% Ambiguous command:
Serial0 is administratively down - line protocol is down
Router>logout

7. Provides status of the interface - the IP address and mask - information on whether an access list is set on the interface - and basic IP information
Router(config)#banner
Router(config)#banner exec
Router#erase
Router#sh ip interface (brief)

8. Stops console messages from popping up and disrupting the input you're trying to type
Router(config-line)#logging synchronous
% Invalid input detected at '^' marker
Router(config)#router rip
Router(config)#line vty

9. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Exec-timeout 1 44
Router(config)#enable use-tacacs
Router(config)#enable password
Router#exit

10. Sets the console password
Router(config)#line console 0
Atlanta#sh start
outer#disconnect
Router(config)#interface Dialer

11. Bridge-Group Virtual Interface
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
Used to verify configuration
Cisco IOS
Router(config)#interface BVI

12. FastEthernet IEEE 802.3
Atlanta#sh start
Router(config)#interface FastEthernet
Router(config)#line vty
Router(config)#interface Tunnel

13. Multilink-group interface
Router(config-if)#clock rate 64000
% Invalid input detected at '^' marker.
Router(config)#interface Multilink
Router(config)#enable last-resort

14. 10Mbps Ethernet network connection
Router(config)#line console 0
Router#exit
% Incomplete command
Attachment Unit Interface (AUI) connection

15. Names the router Todd; Todd(config)#
Router#disable
configure network (config net)
Router(config)#int serial 5
Router(config)#hostname Todd

16. 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.
Router(config)#int serial 5
delete the configuration stored in NVRAM
Router(config)#interface Async
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

17. Router(config)#line vty 0 4
Router(config)#interface Virtual-Template
Router(config)#banner exec
Which of the following commands will configure all the default VTY ports on a router?
Router#sh history

18. Ping - traceroute - and telnet
% Incomplete command
Router#sh running-config (sh run)
Used to verify configuration
Router#sh ip interface (brief)

19. Debugging functions (see also 'undebug')
see the terminal history size
Router#debug
Router(config-line)#line vty 0 4
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)

20. Changes buffer size (max 256)
Router(config-router)#
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
What keystroke will terminate setup mode?
Router#terminal history size

21. Configure fastethernet slot0/port0
Router#help
Router(config)#int fa 0/0
Router(config)#interface MFR
configure network (config net)

22. Ctrl+C
What keystroke will terminate setup mode?
Atlanta#copy run start
EXEC session
Router#

23. Log in as a particular user
Router#terminal history size
Router#login
Router(config)#enable secret
Used to verify configuration

24. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
Auxiliary port
Router#sh version
Router(config)#line aux 0
Router(config-line)#logging synchronous

25. Configure RIP Protocol
Router>logout
Router(config)#router rip
Router#access-enable
Router(config)#int ethernet 0

26. View hardware addressing - logical addressing - and statistics of an interface
Router#sh int fastethernet 0/0
Used to verify configuration
Router(config)#interface Tunnel
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

27. Config t - hostname Chicago
EXEC session
Router#sh ip interface (brief)
set the name of a router to Chicago
Enter global configuration mode

28. Null interface
Router(config-if)#
Router(config)#line aux 0
Router(config)#interface Null
Router(config-line)#

29. Lex interface
Atlanta#sh run
Router(config)#interface Lex
Bring up Ethernet0
set a serial interface to provide clocking to another router at 64Kb

30. Async interface
Router(config)#interface Async
Router#sh protocols
Setup mode
Router(config)#int fa 0/0

31. Dialer interface
Router(config)#interface Dialer
Router>
Router#exit
Router(config)#enable secret todd

32. Turn on privileged commands
Router#enable
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Bring up Ethernet0
Which of the following commands will configure all the default VTY ports on a router?

33. Cisco CLI that exists in user mode and privileged mode
Router#sh ip interface (brief)
Router(config)#int serial 5
Console port
EXEC session

34. 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(config)#enable last-resort
view the config
Cisco IOS
Router>

35. Reset functions
set the name of a router to Chicago
Router(config)#line aux
Which of the following commands will configure all the default VTY ports on a router?
Router#clear

36. For manual emergency modes setting
Router#bfe
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#line tty
Auxiliary port

37. Sets the user-mode password for the auxiliary port. It's usually used for attaching a modem to the router - but it can be used as a console as well
Router(config)#int serial 5
Router(config)#line aux
What command do you type to save the configuration stored in RAM to NVRAM?
Router#help

38. Configure serial port 5
Router(config)#enable password
Router(config-line)#logging synchronous
Router(config)#int serial 5
Router#lock

39. Global configuration mode
Router(config)#enable secret
Router#login
Router(config)#interface Serial
Router#config t

40. Sh run
Router(config)#enable secret todd
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
view the config
Router(config)#interface Async

41. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Bandwidth
Enable the interface
Router(config)#line console 0
Router#config t

42. To configure routing protocols such as RIP and IGRP
Router(config-router)#
Attachment Unit Interface (AUI) connection
Router(config)#interface Null
see if a serial interface needed to provide clocking

43. Exit from the EXEC
Router#exit
Router(config)#enable secret todd
see the terminal history size
Router(config)#interface Vif

44. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Router#erase
Router(config)#enable use-tacacs
Router(config)#enable secret todd
Atlanta#sh start

45. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
Atlanta(config-if)#description Sales Lan
Router(config-if)#
Router#disable
Router#bfe

46. Setup mode
Label the interface 'WAN to Miami'
Router(config)#line <0-70>
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
configure terminal (config t)

47. Create a temporary Access-List entry
Router(config)#interface Async
Router(config)#interface Vif
Router#access-template
Router(config)#interface Dialer

48. Router#reload
Router>sh controllers s 0
Router#disable
reinitialize the router and totally replace the running-config with the current startup-config
Up arrow

49. Interface s0/0
Router#logout
Enter interface configuration mode and configure serial 0/0
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router#copy

50. Config t - enable secret cisco
Attachment Unit Interface (AUI) connection
% Incomplete command
Used to verify configuration
set the enable secret password to cisco