Test your basic knowledge |

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. Config t - line console 0 - login - password todd
Router#sh terminal
set a user-mode password for the console port
Router(config)#interface BVI
Router(config)#int ethernet 0

2. For manual emergency modes setting
Router(config-line)#exec-timeout
Router#bfe
global command
reinitialize the router and totally replace the running-config with the current startup-config

3. Used by routing protocols such as IGRP - EIGRP - and OSPF to calculate the best cost (path) to a remote network
Bandwidth
Router(config)#enable last-resort
Exec-timeout 1 44
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

4. Enable secret Cisco
Which of the following commands sets the secret password to Cisco?
Router#sh history
Router(config)#$
Router#enable

5. Delete the start-up config
Atlanta#erase startup-config
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-line)#exec-timeout
Router#help

6. Subinterfaces allow you to create logical interfaces within the router
Router#sh terminal
Cisco IOS
Serial interfaces
Router(config-subif)#

7. 5
Router(config-subif)#
Router(config)#$
How many simultaneous Telnet sessions does a Cisco router support by default?
Router(config)#interface CTunnel

8. Shows last command entered
Router#exit
Router#login
Router(config)#line console
Up arrow

9. Set only once and affects the entire router
global command
Router#sh ip interface (brief)
% Invalid input detected at '^' marker.
Attachment Unit Interface (AUI) connection

10. Copy configuration or image data
Atlanta#copy run start
Router#config t
Router#copy
Serial0 is administratively down - line protocol is down

11. Stops console messages from popping up and disrupting the input you're trying to type
Router(config-line)#logging synchronous
Router#bfe
EXEC session
Router(config-if)#bandwidth 64

12. Exit the console
Router#logout
set the enable secret password to cisco
Router(config)#enable password
Router#disable

13. Exit from the EXEC
reinitialize the router and totally replace the running-config with the current startup-config
Router(config)#int serial 5
Router#exit
Router>sh controllers s 0

14. Bridge-Group Virtual Interface
Router(config)#line aux 0
Router(config)#interface BVI
Router#copy
Router(config)#enable secret todd

15. Names the router Todd; Todd(config)#
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)#hostname Todd
Router(config)#line tty
Add a secondary IP address

16. Turn off privileged commands
Router(config)#banner motd
Router(config)#interface Multilink
Router#disable
% Incomplete command

17. Finishes typing a command for you
Router(config-subif)#
Tab
If you wanted administrators to see a message when logging into the router - which command would you use?
% Ambiguous command:

18. Disconnect an existing network connection
outer#disconnect
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
Router#clock
Router#clear counters s0/0

19. User mode
Router(config)#interface Loopback
Serial0 is administratively down - line protocol is down
Router(config)#line aux 0
Router>

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

21. Ctrl+C
Router(config)#enable use-tacacs
Exec-timeout 1 44
What keystroke will terminate setup mode?
Enter interface configuration mode and configure serial 0/0

22. Interface s0/0
Enter interface configuration mode and configure serial 0/0
Router(config)#interface BVI
Router#connect
Router(config)#interface MFR

23. Terminal controller
Add a secondary IP address
configure memory (config mem)
Router#help
Router(config)#line tty

24. Sh int e0; config t; int e0; ip address 172.16.10.2 255.255.255.0; no shut; sh int e0
configure network (config net)
Router#mrinfo
Configure an IP address on e0
Router(config-router)#

25. Configure fastethernet slot0/port0
Serial0 is administratively down - line protocol is down
Auxiliary port
Router(config)#int fa 0/0
Tab

26. Reset functions
Router(config)#hostname Todd
Router(config-line)#logging synchronous
Atlanta(config-if)#description Sales Lan
Router#clear

27. The kernel of Cisco routers and most switches
Router#connect
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)#banner exec
Cisco IOS

28. Banner motd
If you wanted administrators to see a message when logging into the router - which command would you use?
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 t
Router(config)#interface FastEthernet

29. Global configuration mode and changes what's known as the running-config
configure terminal (config t)
Router#disable
Set telnet connection to have no password
Used to verify configuration

30. No shut
Router(config)#interface Virtual-Template
Router(config)#int serial 5
Enable the interface
Add a secondary IP address

31. Virtual Template interface
Router(config)#int ethernet 0
Router#logout
Router(config)#interface Virtual-Template
global command

32. Clear counters on an interface
Router#sh ip interface (brief)
Router#clear counters s0/0
Router(config)#banner motd
Bring up Ethernet0

33. To configure user-mode passwords
Router(config)#line console 0
Router(config)#interface Virtual-Template
Router(config-router)#
Router(config-line)#

34. Sets a Telnet password on the router. If this password isn't set - then Telnet can't be used by default
Router(config)#line vty
Router(config)#interface Tunnel
CLI
Router(config)#banner login

35. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Router(config)#enable password
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
If you wanted administrators to see a message when logging into the router - which command would you use?

36. Show info for ethernet0
Router#sh int ethernet0
Router>logout
Router#mrinfo
Router#configure

37. Changes buffer size (max 256)
Console port
Router(config)#line console
Router#erase
Router#terminal history size

38. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Router(config)#banner exec
Router#access-profile
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Exec-timeout 1 44

39. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router#sh history
Router(config)#interface Loopback
Router#sh terminal
Router(config)#service password-encryption

40. Router(config)#line vty 0 4
Which of the following commands will configure all the default VTY ports on a router?
Cisco IOS
Router#exit
Router#sh terminal

41. Sets the enable password to todd
Router(config-router)#
Atlanta#sh start
Router(config)#enable password todd
Router#sh int fastethernet 0/0

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

43. Sets the console password
Router(config)#line console 0
Router#sh protocols
global command
Enter global configuration mode

44. WAN connections
Router(config)#line aux
Which of the following commands will configure all the default VTY ports on a router?
Serial interfaces
EXEC session

45. Multilink-group interface
Router(config)#interface Multilink
Router#sh protocols
Router(config-line)#line vty 0 4
Router(config)#router rip

46. 'out-of-band' (meaning out of the network) access
Router(config)#interface Null
Router(config)#line <0-70>
Auxiliary port
Router(config)#enable password todd

47. Description WAN to Miami

48. This is the newer - encrypted password that overrides the enable password if it's set
Router>logout
Router#sh int ethernet0
set a serial interface to provide clocking to another router at 64Kb
Router(config)#enable secret

49. Async interface
Router(config)#interface Async
configure terminal (config t)
Router#
Router#connect

50. Apply user-profile to interface
Enter global configuration mode
Router#access-profile
Router(config)#enable last-resort
Password required - but none set: Which of the following sequences will address this problem correctly?