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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. Cisco CLI that exists in user mode and privileged mode
Router#sh version
Router#clear counters s0/0
EXEC session
Password required - but none set: Which of the following sequences will address this problem correctly?

2. Exit the console
Down arrow
Router(config-line)#
Router#exit
Router(config)#int serial 5

3. Show terminal
Router(config)#enable last-resort
Router#bfe
see the terminal history size
Which command will delete the contents of NVRAM on a router?

4. Config t - line vty 0 4 - no login
Which of the following commands will configure all the default VTY ports on a router?
Set telnet connection to have no password
reinitialize the router and totally replace the running-config with the current startup-config
EXEC session

5. Config t - hostname Chicago
Router#sh int fastethernet 0/0
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)#enable secret
set the name of a router to Chicago

6. Indicates that the line has been scrolled to the left
Router(config)#interface Group-Async
Router(config)#banner
% Invalid input detected at '^' marker.
Router(config)#$

7. Async Group interface
Configure an IP address on e0
Router#sh running-config (sh run)
Router(config)#interface CTunnel
Router(config)#interface Group-Async

8. Virtual TokenRing
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Router(config)#enable last-resort
Enter global configuration mode
Router(config)#interface Virtual-TokenRing

9. Sh run
view the config
outer#disconnect
Router#debug
Router#access-enable

10. Configure a DCE serial interface in bits per second
Router#sh history
Router(config-if)#clock rate 64000
EXEC session
Router(config)#banner motd

11. Router#copy run startup
What command do you type to save the configuration stored in RAM to NVRAM?
Router#logout
Router#access-template
Router(config)#interface FastEthernet

12. To configure routing protocols such as RIP and IGRP
Router(config)#line x/y
Setup mode
Router(config-router)#
Router(config)#line vty

13. Access from console port - -modem into AUX port - and telnet
Atlanta#erase startup-config
Router(config)#interface Loopback
Router#sh int ethernet0
EXEC session

14. This is the newer - encrypted password that overrides the enable password if it's set
Router(config)#enable secret
Down arrow
Router#sh history
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?

15. A line-activation (exec) banner to be displayed when an EXEC process is created
Router#configure
Router#sh int ethernet0
Router(config)#banner exec
Router#sh version

16. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Router(config)#hostname Todd
Router#sh running-config (sh run)
Router(config)#enable password
Router>logout

17. Gives a message to every person dialing into or connecting to the router via Telnet or auxiliary port - or even through a console port
Router#sh version
Router(config)#interface Lex
Router(config)#banner motd
Router(config)#line vty

18. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Router#copy
Router#mrinfo
Bring up Ethernet0
Router(config-router)#

19. User mode
Router(config)#interface Multilink
Router(config-if)#clock rate 64000
Atlanta#erase startup-config
Router>

20. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Bandwidth
Add a secondary IP address
Router(config)#enable secret
Router#access-profile

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

22. Interface s0/0
Router>enable
Down arrow
Router(config)#banner incoming
Enter interface configuration mode and configure serial 0/0

23. To be displayed on terminals connected to reverse Telnet lines. This banner is useful for providing instructions to users who use reverse Telnet.
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#interface Serial
Router(config)#banner incoming
Router#sh history

24. Shows previous commands entered
Router(config-line)#logging synchronous
Down arrow
configure memory (config mem)
Router(config)#interface Serial

25. Exit the console
Router(config)#interface Virtual-Template
Router#logout
Router#bfe
Atlanta#sh run

26. This tells the router to authenticate through a TACACS server
Router(config)#enable use-tacacs
Router(config-line)#logging synchronous
set the name of a router to Chicago
What command do you type to save the configuration stored in RAM to NVRAM?

27. Global configuration mode
Router#config t
Router(config)#interface CTunnel
Used to verify configuration
Router(config)#interface Virtual-TokenRing

28. Ping - traceroute - and telnet
Router#debug
Router(config)#interface Serial
set the enable secret password to cisco
Used to verify configuration

29. Serial interface
Router(config)#interface range
Attachment Unit Interface (AUI) connection
Router#login
Router(config)#interface Serial

30. Show protocols - show interfaces - show ip interface
Cisco IOS
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router(config)#enable password todd
show inter et 0 and notice the port is administratively down

31. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Add a secondary IP address
Router#logout
Router(config)#line console
Which command will delete the contents of NVRAM on a router?

32. Bridge-Group Virtual Interface
Router(config)#$
Router(config-line)#
Router(config)#interface BVI
Router#mrinfo

33. PGM Multicast Host interface
Router(config-subif)#
Router#connect
Router#sh ip interface (brief)
Router(config)#interface Vif

34. Apply user-profile to interface
Router#sh int ethernet0
Router#connect
Router#access-profile
Router(config-line)#

35. Show interfaces
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
outer#disconnect
Router#exit
Router(config)#interface CTunnel

36. Router#reload
Router(config)#int serial 5
Router(config)#banner exec
Router#debug
reinitialize the router and totally replace the running-config with the current startup-config

37. 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
Configure an IP address on e0
Cisco IOS
Router(config)#router rip

38. Clock rate 64000
Router(config)#router rip
set a serial interface to provide clocking to another router at 64Kb
Router(config)#enable last-resort
Router#access-profile

39. Terminal controller
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?
EXEC session
Router(config)#line tty
Booting a router

40. Finishes typing a command for you
Up arrow
Tab
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router(config)#enable use-tacacs

41. Description WAN to Miami

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42. Multilink-group interface
Router(config)#interface Multilink
Router#sh version
Atlanta#copy run start
Router(config-if)#bandwidth 64

43. 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.
Enable the interface
Router(config-line)#logging synchronous
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)#$

44. WAN connections
Router(config)#interface range
Router#login
Serial interfaces
Router(config)#interface Null

45. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Down arrow
Router#sh running-config (sh run)
Setup mode
Router(config)#line console

46. Enter configuration mode
Atlanta#sh run
If you wanted administrators to see a message when logging into the router - which command would you use?
Router#configure
Router#exit

47. RJ-45 (8-pin modular) port; no password by default
Router#logout
Atlanta#erase startup-config
Console port
Router(config)#service password-encryption

48. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Atlanta#sh start
% Ambiguous command:
Atlanta#copy run start
Router#logout

49. Tunnel interface
Router#sh controllers serial 0/0
Router(config)#interface Tunnel
outer#disconnect
Router(config)#interface range

50. Configure the bandwidth of a serial interface in kilobits
Which of the following commands will configure all the default VTY ports on a router?
Router(config-if)#bandwidth 64
Bring up Ethernet0
Down arrow