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Test your basic knowledge |
Introduction To The Cisco IOS
Start Test
Study First
Subjects
:
cisco
,
it-skills
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. Slot/Port for Modems
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Enter global configuration mode
Router(config)#line x/y
Enable the interface
2. Indicates that the line has been scrolled to the left
Exec-timeout 1 44
Router(config)#$
Add a secondary IP address
Router>sh controllers s 0
3. Configure ethernet port 0
Router(config)#line x/y
Router(config)#int ethernet 0
set a serial interface to provide clocking to another router at 64Kb
What command do you type to save the configuration stored in RAM to NVRAM?
4. Reset functions
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Setup mode
Router#clear counters s0/0
Router#clear
5. The kernel of Cisco routers and most switches
Cisco IOS
Router>
Router(config)#interface Null
Router(config)#interface Tunnel
6. View hardware addressing - logical addressing - and statistics of an interface
If you wanted administrators to see a message when logging into the router - which command would you use?
Atlanta#sh run
Router(config)#line x/y
Router#sh int fastethernet 0/0
7. Sets the telnet password
Router#sh int fastethernet 0/0
Router(config-line)#line vty 0 4
Router#connect
Router(config)#enable password todd
8. Erase start
Router(config-if)#
Router(config-line)#exec-timeout
set the name of a router to Chicago
Which command will delete the contents of NVRAM on a router?
9. There is more than one show command sthat starts with the letters ru.
CLI
Router(config)#interface Async
Router(config)#interface range
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
10. To configure routing protocols such as RIP and IGRP
Router#mrinfo
Router(config-router)#
Bring up Ethernet0
Router#clear
11. 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
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 command will delete the contents of NVRAM on a router?
Router(config-router)#
Router(config)#interface Virtual-Template
12. Delete the start-up config
configure terminal (config t)
Atlanta#erase startup-config
Router#mrinfo
Serial0 is administratively down - line protocol is down
13. Go back from privileged mode into user mode
Cisco IOS
% Invalid input detected at '^' marker.
Router#disable
Router#help
14. Change the running-config running in dynamic RAM (DRAM)
Configure an IP address on e0
Router#debug
configure terminal (config t)
Router(config)#line aux
15. Sets a console user-mode password
Router(config)#line console
Router(config)#service password-encryption
Used to verify configuration
Router(config)#banner login
16. Config t - hostname Chicago
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?
set the name of a router to Chicago
Router#sh protocols
Router(config)#line console 0
17. Stops console messages from popping up and disrupting the input you're trying to type
Router(config-line)#logging synchronous
Router#copy
Router(config)#line tty
Router>logout
18. Exit the console
Router(config)#enable password todd
Router#exit
If you wanted administrators to see a message when logging into the router - which command would you use?
Enable the interface
19. A line-activation (exec) banner to be displayed when an EXEC process is created
Router(config)#banner exec
Router(config)#int ethernet 0
Which of the following commands will configure all the default VTY ports on a router?
Router(config)#banner incoming
20. Command string isn't done yet
Router#access-enable
Router(config-if)#bandwidth 64
% Incomplete command
Router(config)#interface range
21. A login banner to be displayed on all connected terminals; displayed after the MOTD banner but before the login prompts; delete it with the no banner login command
Router(config)#banner login
configure network (config net)
Serial0 is administratively down - line protocol is down
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
22. Command entered incorrectly
% Invalid input detected at '^' marker
23. Provides status of the interface - the IP address and mask - information on whether an access list is set on the interface - and basic IP information
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
set the name of a router to Chicago
Auxiliary port
Router#sh ip interface (brief)
24. This is the newer - encrypted password that overrides the enable password if it's set
Router>sh controllers s 0
Router#clear
Router#sh int ethernet0
Router(config)#enable secret
25. Global configuration mode and changes what's known as the running-config
Router#disable
Router#sh ip interface (brief)
Router(config)#enable password
configure terminal (config t)
26. 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#help
Serial interfaces
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
27. Show controllers int
see if a serial interface needed to provide clocking
CLI
Router(config)#line <0-70>
Router(config)#interface Virtual-Template
28. Configure RIP Protocol
Which command will delete the contents of NVRAM on a router?
Router(config)#router rip
set the enable secret password to cisco
Enter global configuration mode
29. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
Router#sh int fastethernet 0/0
Atlanta(config-if)#description Sales Lan
Router(config)#int serial 5
Router(config)#interface Loopback
30. Manage the system clock
Router(config)#router rip
Router(config)#enable password
Router#clock
Router#clear
31. Router#copy run startup
What command do you type to save the configuration stored in RAM to NVRAM?
Atlanta#erase startup-config
Router(config-line)#
How many simultaneous Telnet sessions does a Cisco router support by default?
32. View the current config
configure memory (config mem)
Which of the following commands will configure all the default VTY ports on a router?
Atlanta#sh run
Router#sh controllers serial 0/0
33. Lock the terminal
Router>logout
If you wanted administrators to see a message when logging into the router - which command would you use?
Atlanta#copy run start
Router#lock
34. RJ-45 (8-pin modular) port; no password by default
Console port
see the terminal history size
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
Up arrow
35. Shows previous commands entered
Router(config)#int fa 0/0
see if a serial interface needed to provide clocking
Down arrow
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
36. Async interface
Router(config)#interface Null
Router(config)#interface Async
Console port
Router#logout
37. Lex interface
Router(config)#interface Lex
Router(config)#hostname Todd
Serial interfaces
see the terminal history size
38. Changes buffer size (max 256)
configure terminal (config t)
Router(config)#enable secret
Router#sh int ethernet0
Router#terminal history size
39. Global configuration mode
Set telnet connection to have no password
Configure an IP address on e0
Router#configure
Router#config t
40. Config t - line vty 0 4 - no login
Router#access-enable
Set telnet connection to have no password
Router(config)#interface Serial
Attachment Unit Interface (AUI) connection
41. Privileged mode
Router>enable
Router(config)#interface Dialer
configure memory (config mem)
Router#connect
42. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Router#logout
Router(config)#router rip
Bring up Ethernet0
show inter et 0 and notice the port is administratively down
43. Debugging functions (see also 'undebug')
Router#debug
Router#sh terminal
Router(config)#interface BVI
Atlanta#copy run start
44. Config t
Enter global configuration mode
Router(config)#enable last-resort
Auxiliary port
set a serial interface to provide clocking to another router at 64Kb
45. Configure a DCE serial interface in bits per second
Down arrow
Router(config-if)#clock rate 64000
configure memory (config mem)
Router#sh ip interface (brief)
46. 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
Configure an IP address on e0
Router(config-router)#
Atlanta#copy run start
47. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Router(config)#banner incoming
Which of the following commands sets the secret password to Cisco?
Router(config)#interface range
Exec-timeout 1 44
48. Access from console port - -modem into AUX port - and telnet
EXEC session
Router#clear
set a user-mode password for the console port
Router(config)#interface Loopback
49. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Router(config)#line <0-70>
Router(config)#interface Serial
Router#
% Ambiguous command:
50. Enable secret Cisco
Router(config)#interface Dialer
Router#sh version
Router(config)#interface Null
Which of the following commands sets the secret password to Cisco?