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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. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Router(config)#line console 0
Router(config)#enable password
show inter et 0 and notice the port is administratively down
Router#debug

2. Exit from the EXEC
Router#exit
delete the configuration stored in NVRAM
Router(config)#interface Tunnel
Router#connect

3. Setup mode
Router(config)#interface Lex
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router>sh controllers s 0
Router(config)#line aux

4. Configure a DCE serial interface in bits per second
Router#sh int fastethernet 0/0
Router(config)#interface range
Router(config-if)#clock rate 64000
global command

5. Indicates that the line has been scrolled to the left
Router#
Router(config)#$
Atlanta#sh start
Router(config)#interface MFR

6. Shows previous commands entered
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
% Invalid input detected at '^' marker.
Down arrow

7. Sets the aux password; Router(config-line)#password todd; Router(config-line)#login
Atlanta#sh run
Router(config)#line aux 0
Router#logout
Router(config)#enable last-resort

8. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Router#access-enable
Booting a router
Router(config)#enable password
How many simultaneous Telnet sessions does a Cisco router support by default?

9. Configure RIP Protocol
Auxiliary port
Router(config)#router rip
Router(config)#$
Router(config)#interface Virtual-TokenRing

10. Description of the interactive help system
Router#enable
configure memory (config mem)
Router#help
Router(config)#service password-encryption

11. Delete the start-up config
Router#config t
Router(config)#banner
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?
Atlanta#erase startup-config

12. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router(config)#service password-encryption
Atlanta#sh run
Router(config)#interface Async
% Invalid input detected at '^' marker

13. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Router(config-if)#
delete the configuration stored in NVRAM
Router(config)#banner exec
Setup mode

14. Change the startup-config stored in NVRAM
configure memory (config mem)
Router(config)#interface range
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?
Router#bfe

15. Dialer interface
Router(config)#interface Dialer
Add a secondary IP address
Router(config)#interface Loopback
EXEC session

16. Config t - line vty 0 4 - no login
Set telnet connection to have no password
Add a secondary IP address
Router(config-subif)#
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR

17. The administrator has the interface shut down.
Router(config)#banner motd
Add a secondary IP address
Router#logout
Serial0 is administratively down - line protocol is down

18. Global configuration mode
Router#config t
Router#bfe
% Invalid input detected at '^' marker.
Add a secondary IP address

19. Bridge-Group Virtual Interface
Router#
Router(config)#interface BVI
Which of the following commands sets the secret password to Cisco?
Router#access-enable

20. Finishes typing a command for you
Router#mrinfo
Tab
set a serial interface to provide clocking to another router at 64Kb
Router#logout

21. Exit from the EXEC
EXEC session
Router(config-line)#line vty 0 4
Router#logout
Router#sh controllers serial 0/0

22. Go back from privileged mode into user mode
Router#disable
Router(config-line)#exec-timeout
Router#clear
Router(config)#line aux

23. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Exec-timeout 1 44
Router(config)#int serial 5
How many simultaneous Telnet sessions does a Cisco router support by default?
set a serial interface to provide clocking to another router at 64Kb

24. Router#copy run startup
What command do you type to save the configuration stored in RAM to NVRAM?
global command
show inter et 0 and notice the port is administratively down
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

25. Manage the system clock
set the enable secret password to cisco
Router#clock
Add a secondary IP address
If you wanted administrators to see a message when logging into the router - which command would you use?

26. Sets a Telnet password on the router. If this password isn't set - then Telnet can't be used by default
Router(config)#line aux
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
set a serial interface to provide clocking to another router at 64Kb
Router(config)#line vty

27. Clear counters on an interface
Auxiliary port
Router(config-line)#
Router#clear
Router#clear counters s0/0

28. View the current config
Router(config)#interface Virtual-TokenRing
How many simultaneous Telnet sessions does a Cisco router support by default?
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Atlanta#sh run

29. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Bring up Ethernet0
Router#terminal history size
Router(config)#banner login
Router(config)#banner motd

30. Create a temporary Access-List entry
set a serial interface to provide clocking to another router at 64Kb
Atlanta#erase startup-config
Router#access-template
Router#logout

31. Names the router Todd; Todd(config)#
Router(config)#hostname Todd
Router(config)#banner login
Router#access-enable
Router(config)#line aux 0

32. Ping - traceroute - and telnet
Router(config)#banner incoming
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Atlanta#sh start
Used to verify configuration

33. Configure fastethernet slot0/port0
Router(config)#interface Dialer
Router(config)#int fa 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 t

34. Turn on privileged commands
Router#erase
Atlanta(config-if)#description Sales Lan
Serial interfaces
Router#enable

35. First Line number
Router(config)#int serial 5
see the terminal history size
Router(config)#banner
Router(config)#line <0-70>

36. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Password required - but none set: Which of the following sequences will address this problem correctly?
outer#disconnect
Bandwidth
Router(config)#banner

37. Privileged mode
set a serial interface to provide clocking to another router at 64Kb
Router#sh running-config (sh run)
Router#sh protocols
Router>enable

38. Lock the terminal
Router#
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Router#lock
Router(config-line)#logging synchronous

39. Create a temporary Access-List entry
Router(config)#interface Async
Router(config)#banner incoming
Router#configure
Router#access-enable

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

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41. Disconnect an existing network connection
% Incomplete command
set the enable secret password to cisco
outer#disconnect
Router(config-line)#exec-timeout

42. Reset functions
Bring up Ethernet0
% Invalid input detected at '^' marker.
Router#clear
Down arrow

43. Virtual Template interface
Router(config)#interface Virtual-Template
Router(config)#interface FastEthernet
Router(config)#enable password todd
Router#mrinfo

44. Copy configuration or image data
Router(config)#interface Vif
Router(config)#line aux 0
Router#terminal history size
Router#copy

45. Config t - int e0 - no shut
% Incomplete command
Atlanta#copy run start
show inter et 0 and notice the port is administratively down
Atlanta#erase startup-config

46. Configure the bandwidth of a serial interface in kilobits
% Incomplete command
Router(config)#banner incoming
Router(config-if)#bandwidth 64
Router(config)#enable use-tacacs

47. User mode
Router>
Router(config-if)#bandwidth 64
Set telnet connection to have no password
Router(config-line)#line vty 0 4

48. This tells the router to authenticate through a TACACS server
Tab
Router#disable
Auxiliary port
Router(config)#enable use-tacacs

49. Shows the running config; passwords may not be encrypted
Router(config)#hostname Todd
% Ambiguous command:
Router#disable
Router#sh running-config (sh run)

50. Show interfaces
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Enter global configuration mode
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
% Incomplete command