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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. Copy start run doesn't replace the configuration - it appends it. To completely replace the running-config with the startup-config - you must reload 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?
Router(config-line)#logging synchronous
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)#interface Null
2. Exit the console
EXEC session
Up arrow
Router(config)#enable password
Router>logout
3. Turn off privileged commands
Enable the interface
Router#disable
How many simultaneous Telnet sessions does a Cisco router support by default?
Exec-timeout 1 44
4. Router#reload
% Invalid input detected at '^' marker.
reinitialize the router and totally replace the running-config with the current startup-config
Which of the following commands sets the secret password to Cisco?
Enter interface configuration mode and configure serial 0/0
5. Manage the system clock
configure terminal (config t)
Router(config)#interface Async
Router(config)#$
Router#clock
6. 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
Which of the following commands will configure all the default VTY ports on a router?
Router(config)#line aux
Auxiliary port
Router(config-line)#line vty 0 4
7. Configure the bandwidth of a serial interface in kilobits
EXEC session
Serial interfaces
Auxiliary port
Router(config-if)#bandwidth 64
8. Configure RIP Protocol
Router(config)#router rip
configure network (config net)
Router#sh protocols
EXEC session
9. Dialer interface
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)#interface Dialer
Router(config)#interface Group-Async
Router(config)#banner incoming
10. Debugging functions (see also 'undebug')
Used to verify configuration
Router#debug
Router(config)#enable secret todd
Configure the interface IP address to '10.1.5.255 255.255.252.0'
11. Enter configuration mode
Atlanta#sh start
Router(config)#interface FastEthernet
What command do you type to save the configuration stored in RAM to NVRAM?
Router#configure
12. Tunnel interface
Router>
Router(config)#interface Tunnel
Set telnet connection to have no password
Router(config)#line console 0
13. Gives a message to every person dialing into or connecting to the router via Telnet or auxiliary port - or even through a console port
Enter global configuration mode
Router#access-enable
Router(config)#banner motd
% Invalid input detected at '^' marker.
14. Multilink Frame Relay bundle interface
Router(config)#interface range
Router(config)#interface Virtual-Template
Router#access-template
Router(config)#interface MFR
15. To be displayed on terminals connected to reverse Telnet lines. This banner is useful for providing instructions to users who use reverse Telnet.
Router(config-line)#line vty 0 4
Up arrow
Enter interface configuration mode and configure serial 0/0
Router(config)#banner incoming
16. Exit from the EXEC
CLI
Router#exit
How many simultaneous Telnet sessions does a Cisco router support by default?
Which command will delete the contents of NVRAM on a router?
17. Manually save the file from DRAM to NVRAM
Atlanta#copy run start
Router(config-router)#
Setup mode
Router(config)#enable last-resort
18. 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
Router(config)#interface BVI
Router(config)#interface Group-Async
Used to verify configuration
19. 5
How many simultaneous Telnet sessions does a Cisco router support by default?
Router(config)#interface FastEthernet
set a user-mode password for the console port
Router(config)#line tty
20. Stops console messages from popping up and disrupting the input you're trying to type
% Invalid input detected at '^' marker.
Router#clock
Router(config-if)#
Router(config-line)#logging synchronous
21. Change a router configuration stored on a TFTP host
delete the configuration stored in NVRAM
configure network (config net)
Router(config)#enable last-resort
Router(config)#enable use-tacacs
22. See if a router's serial interface has a DCE cable connected
Router(config)#interface range
Router#sh version
Cisco IOS
Router>sh controllers s 0
23. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
Router#sh version
Tab
Router#exit
Router(config)#enable secret todd
24. Global configuration mode and changes what's known as the running-config
Router#logout
Router(config)#enable last-resort
Router#sh protocols
configure terminal (config t)
25. Finishes typing a command for you
Router(config)#router rip
Exec-timeout 1 44
Router(config)#interface Group-Async
Tab
26. Sets the console password
Router(config)#line console 0
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
% Ambiguous command:
Router(config)#interface Null
27. Interface s0/0
Enter interface configuration mode and configure serial 0/0
set the enable secret password to cisco
Router#sh int fastethernet 0/0
EXEC session
28. Sets a Telnet password on the router. If this password isn't set - then Telnet can't be used by default
Which of the following commands sets the secret password to Cisco?
outer#disconnect
Router#debug
Router(config)#line vty
29. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
Router#sh controllers serial 0/0
Enter global configuration mode
Router#bfe
Atlanta(config-if)#description Sales Lan
30. 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
Used to verify configuration
If you wanted administrators to see a message when logging into the router - which command would you use?
Which of the following commands sets the secret password to Cisco?
31. Shows previous commands entered
Router(config-line)#logging synchronous
Down arrow
% Invalid input detected at '^' marker.
Router(config)#interface Multilink
32. Loopback interface
Enter interface configuration mode and configure serial 0/0
Router>
Which of the following commands sets the secret password to Cisco?
Router(config)#interface Loopback
33. Names the router Todd; Todd(config)#
Router(config)#hostname Todd
Router(config)#interface Loopback
Atlanta#sh start
Configure the interface IP address to '10.1.5.255 255.255.252.0'
34. Slot/Port for Modems
Enter global configuration mode
Router#disable
Router(config)#line x/y
What keystroke will terminate setup mode?
35. This tells the router to authenticate through a TACACS server
EXEC session
Router(config)#interface Async
Atlanta#erase startup-config
Router(config)#enable use-tacacs
36. Ctrl+C
Exec-timeout 1 44
What keystroke will terminate setup mode?
Router(config)#interface Loopback
Atlanta#sh start
37. 'out-of-band' (meaning out of the network) access
Router(config)#interface MFR
Auxiliary port
Router#lock
Serial interfaces
38. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Serial0 is administratively down - line protocol is down
% Ambiguous command:
Router(config-line)#
Atlanta#sh run
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
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)#interface Tunnel
Router(config)#banner login
Router#disable
40. Apply user-profile to interface
Router#copy
set the enable secret password to cisco
outer#disconnect
Router#access-profile
41. Shows last command entered
Router#clear
Router#sh int fastethernet 0/0
Router(config)#enable password todd
Up arrow
42. Clock rate 64000
set a serial interface to provide clocking to another router at 64Kb
Atlanta#copy run start
Label the interface 'WAN to Miami'
Router#debug
43. WAN connections
set a serial interface to provide clocking to another router at 64Kb
Serial interfaces
Router#sh controllers serial 0/0
Router#login
44. Async Group interface
% Invalid input detected at '^' marker.
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router(config)#interface Group-Async
Router#enable
45. Description of the interactive help system
Router#help
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router(config)#router rip
% Invalid input detected at '^' marker
46. Erase startup-config
Router#enable
% Ambiguous command:
delete the configuration stored in NVRAM
Router(config)#banner
47. Serial interface
Up arrow
reinitialize the router and totally replace the running-config with the current startup-config
Router(config)#interface Serial
Atlanta(config-if)#description Sales Lan
48. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router(config)#service password-encryption
Router#debug
Serial interfaces
Router#sh protocols
49. Router(config)#line vty 0 4
Which of the following commands will configure all the default VTY ports on a router?
Up arrow
Router(config)#line console 0
Router#sh ip interface (brief)
50. Shows last 10 commands entered by default
Router#exit
Router#debug
Router#sh history
Router#logout