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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. Virtual Template interface
Enter global configuration mode
delete the configuration stored in NVRAM
Router(config)#interface Virtual-Template
Router(config)#enable secret todd

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

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3. Sets the telnet password
Atlanta#copy run start
Setup mode
Router(config-line)#line vty 0 4
CLI

4. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Router#clock
% Ambiguous command:
Router(config)#line vty
Router(config)#enable password todd

5. This is the newer - encrypted password that overrides the enable password if it's set
Router#configure
Router>sh controllers s 0
Atlanta(config-if)#description Sales Lan
Router(config)#enable secret

6. Setup mode
view the config
Atlanta#sh run
set the name of a router to Chicago
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

7. Change the startup-config stored in NVRAM
configure memory (config mem)
outer#disconnect
Router>enable
Router#disable

8. Subinterfaces allow you to create logical interfaces within the router
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Tab
Router(config-subif)#
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)

9. Sets the console password
Router(config)#int ethernet 0
see if a serial interface needed to provide clocking
Router(config)#enable secret
Router(config)#line console 0

10. Change the running-config running in dynamic RAM (DRAM)
Router(config-router)#
Bandwidth
configure terminal (config t)
outer#disconnect

11. To configure routing protocols such as RIP and IGRP
Router#sh protocols
Router#sh ip interface (brief)
Router#clear counters s0/0
Router(config-router)#

12. Change a router configuration stored on a TFTP host
outer#disconnect
configure network (config net)
see if a serial interface needed to provide clocking
Serial interfaces

13. Sets a console user-mode password
Used to verify configuration
Router(config)#line console
Router(config)#line tty
If you wanted administrators to see a message when logging into the router - which command would you use?

14. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Router#clear counters s0/0
Booting a router
see if a serial interface needed to provide clocking
Router#help

15. No shut
Router(config)#interface Group-Async
Enable the interface
Router#clock
Router#lock

16. Go back from privileged mode into user mode
% Invalid input detected at '^' marker.
Router#disable
Router(config)#interface Loopback
Router#access-enable

17. Lock the terminal
Router(config-if)#bandwidth 64
Router#lock
Router#enable
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)

18. Show terminal
configure network (config net)
Router(config)#enable password todd
Router(config)#interface Loopback
see the terminal history size

19. PGM Multicast Host interface
delete the configuration stored in NVRAM
Router#sh protocols
Router(config)#interface Vif
Router(config)#enable secret todd

20. Description of the interactive help system
Router#help
Router(config-subif)#
Router(config)#line aux
Router#bfe

21. FastEthernet IEEE 802.3
Router(config)#interface Virtual-TokenRing
Router#clear counters s0/0
Router(config)#interface FastEthernet
Router(config-router)#

22. Config t - hostname Chicago
Router(config)#line tty
set the name of a router to Chicago
Setup mode
Router#logout

23. Delete the start-up config
Router(config)#interface Loopback
Router(config-line)#logging synchronous
Router(config-router)#
Atlanta#erase startup-config

24. Log in as a particular user
Set telnet connection to have no password
Router#login
Used to verify configuration
% Invalid input detected at '^' marker

25. Lex interface
Atlanta#sh run
Router#sh running-config (sh run)
Router(config)#interface Lex
Router(config-if)#

26. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Router#terminal history size
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Atlanta#sh start
Attachment Unit Interface (AUI) connection

27. Shows terminal configurations and history buffer size
Router#sh terminal
Which command will delete the contents of NVRAM on a router?
view the config
Router(config)#interface Async

28. Null interface
Password required - but none set: Which of the following sequences will address this problem correctly?
Router#disable
Router(config)#interface Vif
Router(config)#interface Null

29. Configure the bandwidth of a serial interface in kilobits
Router#configure
Router(config)#line x/y
Router(config-if)#bandwidth 64
Router(config)#enable secret

30. Tunnel interface
Router(config)#interface Multilink
Router(config)#interface Tunnel
Router>enable
Atlanta#copy run start

31. Copy configuration or image data
% Ambiguous command:
Router#sh version
see if a serial interface needed to provide clocking
Router#copy

32. Clear counters on an interface
Router#clear counters s0/0
Router#sh terminal
Set telnet connection to have no password
Router(config-line)#line vty 0 4

33. Sh int e0; config t; int e0; ip address 172.16.10.2 255.255.255.0; no shut; sh int e0
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?
Auxiliary port
set a serial interface to provide clocking to another router at 64Kb
Configure an IP address on e0

34. Ctrl+C
Router(config)#service password-encryption
What keystroke will terminate setup mode?
Router#sh int ethernet0
Router(config)#interface MFR

35. Shows previous commands entered
Router#disable
Down arrow
How many simultaneous Telnet sessions does a Cisco router support by default?
delete the configuration stored in NVRAM

36. Provide information once connected to the device
Router(config)#int serial 5
Router(config)#banner
global command
Router#sh protocols

37. Turn on privileged commands
Router#enable
Router#terminal history size
Router(config)#interface CTunnel
Router(config)#enable password

38. See if a router's serial interface has a DCE cable connected
Router>sh controllers s 0
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
show inter et 0 and notice the port is administratively down
Router#enable

39. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
EXEC session
Router(config)#interface Dialer
Router#sh version
Router(config-line)#logging synchronous

40. 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)
Router#sh controllers serial 0/0
Router#exit
Atlanta#sh start
Enable the interface

41. Manage the system clock
Router(config)#enable use-tacacs
Router#clock
Atlanta#sh start
Router(config)#line console

42. 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
Serial0 is administratively down - line protocol is down
Used to verify configuration
Router(config)#line aux
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

43. Async interface
Router(config)#interface Async
Router(config)#interface Vif
view the config
Router(config)#interface Virtual-TokenRing

44. Ping - traceroute - and telnet
Router(config)#interface MFR
Router#sh int fastethernet 0/0
Used to verify configuration
Router>enable

45. RJ-45 (8-pin modular) port; no password by default
Router(config)#enable secret
Router#exit
Router#sh int ethernet0
Console port

46. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Router(config-if)#clock rate 64000
Bandwidth
Router#sh version
Router(config)#line x/y

47. Show interfaces
Router(config-subif)#
Router#sh history
Router(config)#$
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?

48. There is more than one show command sthat starts with the letters ru.
% Invalid input detected at '^' marker
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router(config)#$

49. Privileged mode
Setup mode
Router(config)#interface FastEthernet
EXEC session
Router#

50. Enter configuration mode
Atlanta#sh run
set the enable secret password to cisco
Router#configure
Router(config)#interface CTunnel