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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. Open a terminal connection
Router#connect
Router(config)#interface Group-Async
Router(config)#service password-encryption
Down arrow

2. This is the newer - encrypted password that overrides the enable password if it's set
Router(config)#interface Null
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#mrinfo
Router(config)#enable secret

3. Cisco Internetwork Operating System
Router#sh version
Cisco IOS
% Incomplete command
set the enable secret password to cisco

4. Privileged mode
configure terminal (config t)
Router>enable
Router#config t
Router#login

5. SFRemote(config-line)#login
Router(config-if)#
Router#exit
Router(config)#enable password
Password required - but none set: Which of the following sequences will address this problem correctly?

6. Lock the terminal
Router#disable
Router#lock
Router(config)#service password-encryption
see if a serial interface needed to provide clocking

7. Clear counters on an interface
Router#clear counters s0/0
Router>logout
Router(config)#interface CTunnel
Serial interfaces

8. Turn on privileged commands
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-line)#exec-timeout
Router#enable
configure network (config net)

9. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Router#disable
Router(config)#line aux 0
Add a secondary IP address
Down arrow

10. Configure the bandwidth of a serial interface in kilobits
Router(config-if)#bandwidth 64
set the name of a router to Chicago
Router(config)#line tty
Router#enable

11. To configure routing protocols such as RIP and IGRP
see if a serial interface needed to provide clocking
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router#clear
Router(config-router)#

12. Indicates that the line has been scrolled to the left
Router#disable
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(config)#$
delete the configuration stored in NVRAM

13. Exit the console
Router(config)#hostname Todd
Router(config)#line tty
Router#clear counters s0/0
Router#exit

14. WAN connections
Router(config)#interface Loopback
Serial interfaces
Router#connect
Router(config)#line aux 0

15. Command string isn't done yet
Router(config)#service password-encryption
% Incomplete command
set a user-mode password for the console port
view the config

16. Description of the interactive help system
Router#help
Add a secondary IP address
Router(config)#line tty
Router(config)#interface FastEthernet

17. No shut
see the terminal history size
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Enable the interface
Router(config-line)#logging synchronous

18. Sets the telnet password
Router(config-if)#clock rate 64000
Router(config-line)#line vty 0 4
EXEC session
Which of the following commands will configure all the default VTY ports on a router?

19. PGM Multicast Host interface
Router#login
Router(config)#interface Vif
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Exec-timeout 1 44

20. Router(config)#line vty 0 4
Which of the following commands will configure all the default VTY ports on a router?
Router#configure
Router(config)#enable use-tacacs
Router(config-line)#logging synchronous

21. Command entered incorrectly
% Invalid input detected at '^' marker

22. Manage the system clock
Atlanta#sh run
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router#clock
Router#

23. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Atlanta#sh start
Router(config)#service password-encryption
Setup mode
Down arrow

24. Set only once and affects the entire router
Router(config)#line console 0
Which of the following commands will configure all the default VTY ports on a router?
Router(config-if)#bandwidth 64
global command

25. 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
Router(config)#interface Tunnel
Router(config)#interface Lex
Atlanta#sh start

26. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
% Incomplete command
configure network (config net)
see if a serial interface needed to provide clocking
Exec-timeout 1 44

27. Router#copy run startup
Booting a router
Configure an IP address on e0
set the name of a router to Chicago
What command do you type to save the configuration stored in RAM to NVRAM?

28. Config t - hostname Chicago
Router(config-line)#exec-timeout
set the name of a router to Chicago
global command
Router(config)#interface Serial

29. The show controllers serial 0 command will show you whether either a DTE or DCE cable is connected to the interface. If it is a DCE connection - you need to add clocking with the clock rate command.
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router#terminal history size
Router#connect
configure terminal (config t)

30. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
Which command will delete the contents of NVRAM on a router?
Router(config-subif)#
Which of the following commands sets the secret password to Cisco?
Router(config)#enable password

31. Async interface
Router(config)#line vty
% Invalid input detected at '^' marker.
Down arrow
Router(config)#interface Async

32. Sh int e0; config t; int e0; ip address 172.16.10.2 255.255.255.0; no shut; sh int e0
Configure an IP address on e0
Router(config)#banner motd
Atlanta#sh start
configure terminal (config t)

33. Sets the enable password to todd
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(config-if)#description Sales Lan
Router(config)#enable password todd
Exec-timeout 1 44

34. Show info for ethernet0
Router#sh int ethernet0
Router(config)#line x/y
Router#access-template
Router(config)#enable secret

35. Config t - line console 0 - login - password todd
Router#
set a user-mode password for the console port
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(config-if)#clock rate 64000

36. Async Group interface
Router(config)#interface Group-Async
What command do you type to save the configuration stored in RAM to NVRAM?
Router(config)#interface Serial
show inter et 0 and notice the port is administratively down

37. Banner motd
If you wanted administrators to see a message when logging into the router - which command would you use?
Router(config)#line console 0
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
What keystroke will terminate setup mode?

38. CTunnel interface
Which of the following commands will configure all the default VTY ports on a router?
Router(config)#interface CTunnel
Auxiliary port
Router#sh protocols

39. The command show ip protocols will actually show you the broadcast address for each interface—too bad it isn't a possible answer. Your best answer is show interfaces - which will provide the IP address and mask for each interface. You can then determ
Router(config)#interface Loopback
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?
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Bandwidth

40. User mode
Router(config)#int serial 5
reinitialize the router and totally replace the running-config with the current startup-config
Router(config)#interface Virtual-Template
Router>

41. Config t - int e0 - no shut
reinitialize the router and totally replace the running-config with the current startup-config
Attachment Unit Interface (AUI) connection
show inter et 0 and notice the port is administratively down
Router(config)#line tty

42. Config t - enable secret cisco
set the enable secret password to cisco
Router>
Router#connect
Router#access-template

43. Ping - traceroute - and telnet
Router(config)#interface MFR
Used to verify configuration
What command do you type to save the configuration stored in RAM to NVRAM?
Router#bfe

44. Go back from privileged mode into user mode
Router#disable
Router#mrinfo
% Invalid input detected at '^' marker
Router(config)#interface range

45. Reset functions
Console port
Router(config)#hostname Todd
EXEC session
Router#clear

46. Exit the console
Router(config)#enable use-tacacs
Router>logout
EXEC session
EXEC session

47. Multiple commands that begin with the string you entered and it's not unique - use the '?'
% Ambiguous command:
configure network (config net)
What command do you type to save the configuration stored in RAM to NVRAM?
Router(config)#line x/y

48. Setup mode
Attachment Unit Interface (AUI) connection
What command do you type to save the configuration stored in RAM to NVRAM?
Enter interface configuration mode and configure serial 0/0
If you delete the contents of NVRAM and reboot the router - what mode will you be in?

49. Configure serial port 5
Router(config)#hostname Todd
Router>sh controllers s 0
Router(config)#int serial 5
% Incomplete command

50. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
set a user-mode password for the console port
Attachment Unit Interface (AUI) connection
EXEC session
Atlanta(config-if)#description Sales Lan