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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. Exit the console
Router(config)#interface Dialer
global command
Router#logout
Router(config)#interface Null

2. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Router(config)#interface Multilink
Router(config)#enable secret todd
Setup mode
Router(config)#line aux 0

3. Async Group interface
Router(config)#interface Group-Async
% Incomplete command
Router#clear
reinitialize the router and totally replace the running-config with the current startup-config

4. Disconnect an existing network connection
outer#disconnect
EXEC session
Atlanta(config-if)#description Sales Lan
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

5. Config t - enable secret cisco
set the enable secret password to cisco
Router#debug
Atlanta#sh run
Router#terminal history size

6. Configure serial port 5
Router(config)#int serial 5
Setup mode
Exec-timeout 1 44
Router(config)#interface Virtual-Template

7. Show info for ethernet0
Router#sh int fastethernet 0/0
Router(config)#banner exec
Router#connect
Router#sh int ethernet0

8. Debugging functions (see also 'undebug')
Router#config t
Bandwidth
Router#debug
Set telnet connection to have no password

9. View hardware addressing - logical addressing - and statistics of an interface
Router#sh int fastethernet 0/0
Router(config)#interface Virtual-Template
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Router(config)#$

10. Show interfaces
Up arrow
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#enable use-tacacs
Router#sh protocols

11. Delete the start-up config
Atlanta#erase startup-config
% Ambiguous command:
Router(config-router)#
Router(config)#interface Virtual-TokenRing

12. Sets a Telnet password on the router. If this password isn't set - then Telnet can't be used by default
Which command will delete the contents of NVRAM on a router?
How many simultaneous Telnet sessions does a Cisco router support by default?
Router(config)#line vty
view the config

13. Show protocols - show interfaces - show ip interface
Router(config)#line aux
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Down arrow

14. 5
Router#terminal history size
Auxiliary port
How many simultaneous Telnet sessions does a Cisco router support by default?
show inter et 0 and notice the port is administratively down

15. Change the running-config running in dynamic RAM (DRAM)
Router(config)#enable password
Router#access-enable
Router(config)#int fa 0/0
configure terminal (config t)

16. Enable secret Cisco
Router#mrinfo
Which command will delete the contents of NVRAM on a router?
EXEC session
Which of the following commands sets the secret password to Cisco?

17. SFRemote(config-line)#login
Router(config)#enable secret todd
Router#disable
Password required - but none set: Which of the following sequences will address this problem correctly?
Router#connect

18. Loopback interface
Router(config-router)#
Tab
Attachment Unit Interface (AUI) connection
Router(config)#interface Loopback

19. Configure ethernet port 0
set a serial interface to provide clocking to another router at 64Kb
Router(config)#int ethernet 0
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
configure memory (config mem)

20. The administrator has the interface shut down.
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Exec-timeout 1 44
Serial0 is administratively down - line protocol is down
Router#mrinfo

21. Change a router configuration stored on a TFTP host
EXEC session
configure network (config net)
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#sh version

22. Displays information about the physical interface itself. It'll also give you the type of serial cable plugged into a serial port. Usually - this will only be a DTE cable that plugs into a type of data service unit (DSU)
Label the interface 'WAN to Miami'
Router(config)#interface Virtual-TokenRing
Router#sh controllers serial 0/0
Router#help

23. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Set telnet connection to have no password
Bandwidth
Router(config-line)#exec-timeout
What command do you type to save the configuration stored in RAM to NVRAM?

24. Config t
Router(config)#int fa 0/0
Enter global configuration mode
Bandwidth
configure terminal (config t)

25. Create a temporary Access-List entry
Attachment Unit Interface (AUI) connection
Router#access-enable
set a user-mode password for the console port
Router(config-if)#bandwidth 64

26. Create a temporary Access-List entry
Router(config-if)#bandwidth 64
Router(config)#interface Group-Async
Router#access-template
Router(config-subif)#

27. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Which command will delete the contents of NVRAM on a router?
Exec-timeout 1 44
Router#lock
Router(config)#interface Virtual-Template

28. View the current config
Atlanta#sh run
Router#sh int ethernet0
configure terminal (config t)
Router#

29. Command string isn't done yet
Add a secondary IP address
Router(config)#line console 0
Router(config)#interface Lex
% Incomplete command

30. Exit the console
Router#mrinfo
Router#exit
Label the interface 'WAN to Miami'
Router(config)#interface Lex

31. Configure a DCE serial interface in bits per second
Router#clear counters s0/0
Router(config-if)#clock rate 64000
Router#connect
configure network (config net)

32. Config t - int e0 - no shut
Router#mrinfo
% Invalid input detected at '^' marker
show inter et 0 and notice the port is administratively down
Router(config)#interface Dialer

33. Terminal controller
Router#
Router(config)#line tty
Router#enable
Router(config)#enable password todd

34. No shut
Router(config-if)#
Which of the following commands sets the secret password to Cisco?
Router#terminal history size
Enable the interface

35. WAN connections
Router(config-subif)#
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Serial interfaces
Router(config)#interface Vif

36. Config t - line vty 0 4 - no login
Atlanta#sh start
Set telnet connection to have no password
Router#mrinfo
Router(config-router)#

37. Lex interface
Router(config)#interface Lex
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)#interface CTunnel
Router#sh controllers serial 0/0

38. Interface configuration mode
Bandwidth
Router#exit
configure network (config net)
Router(config-if)#

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

40. Ip address 10.1.5.255 255.255.252.0

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41. Cisco Internetwork Operating System
Cisco IOS
Setup mode
Router#bfe
Router#lock

42. Erase flash or configuration memory
Atlanta#sh run
Add a secondary IP address
Router(config)#enable use-tacacs
Router#erase

43. Erase startup-config
Router#bfe
Booting a router
delete the configuration stored in NVRAM
Router(config)#interface Vif

44. Sets the console password
Router(config-line)#logging synchronous
Router(config)#line console 0
Router#access-template
Router#sh int fastethernet 0/0

45. Shows last command entered
set a serial interface to provide clocking to another router at 64Kb
Enable the interface
Up arrow
Router#

46. Change the startup-config stored in NVRAM
Atlanta#erase startup-config
set the name of a router to Chicago
configure memory (config mem)
Router#config t

47. 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#enable
Router#sh ip interface (brief)
Router(config)#interface Async
Used to verify configuration

48. Show terminal
Router(config)#interface Tunnel
Router#disable
Used to verify configuration
see the terminal history size

49. Exit the console
Router(config)#banner exec
Router#sh ip interface (brief)
Router(config-if)#
Router>logout

50. Exit from the EXEC
Atlanta(config-if)#description Sales Lan
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Tab
Router#exit