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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. Sets a Telnet password on the router. If this password isn't set - then Telnet can't be used by default
Router#mrinfo
Router(config)#service password-encryption
Enable the interface
Router(config)#line vty
2. Access from console port - -modem into AUX port - and telnet
EXEC session
Router(config-line)#exec-timeout
Router(config)#interface Virtual-Template
What command do you type to save the configuration stored in RAM to NVRAM?
3. CTunnel interface
Router#clear counters s0/0
Router#connect
Router(config)#interface CTunnel
Enter interface configuration mode and configure serial 0/0
4. Global configuration mode
global command
Router#sh ip interface (brief)
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
Router#config t
5. 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)
Configure the interface IP address to '10.1.5.255 255.255.252.0'
What keystroke will terminate setup mode?
Router#clear counters s0/0
Router#sh controllers serial 0/0
6. PGM Multicast Host interface
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#interface Vif
CLI
7. SFRemote(config-line)#login
configure terminal (config t)
Password required - but none set: Which of the following sequences will address this problem correctly?
Serial interfaces
Atlanta#sh start
8. To configure user-mode passwords
set the enable secret password to cisco
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-line)#
Router(config)#interface Null
9. Shows last command entered
show inter et 0 and notice the port is administratively down
Router(config)#enable secret todd
Up arrow
Router(config)#line console
10. Dialer interface
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)#service password-encryption
Router(config-if)#
Router(config)#interface Dialer
11. Async Group interface
Router(config)#interface CTunnel
Router(config)#enable password
Router#sh terminal
Router(config)#interface Group-Async
12. Cisco CLI that exists in user mode and privileged mode
EXEC session
% Invalid input detected at '^' marker.
show inter et 0 and notice the port is administratively down
Serial interfaces
13. Config t - line vty 0 4 - no login
Router(config-line)#
Set telnet connection to have no password
Router(config)#interface Multilink
Add a secondary IP address
14. Provide information once connected to the device
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router#disable
Router(config)#banner
Set telnet connection to have no password
15. Set only once and affects the entire router
Router(config)#enable secret
Router(config)#interface FastEthernet
Router(config)#interface Lex
global command
16. Stops console messages from popping up and disrupting the input you're trying to type
Router(config)#interface Null
Router(config-if)#
Router(config-line)#logging synchronous
Which of the following commands sets the secret password to Cisco?
17. Sh run
view the config
Router#disable
Exec-timeout 1 44
Router#
18. Erase start
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Which command will delete the contents of NVRAM on a router?
Atlanta#erase startup-config
Label the interface 'WAN to Miami'
19. Show info for ethernet0
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Router#sh int ethernet0
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
reinitialize the router and totally replace the running-config with the current startup-config
20. 10Mbps Ethernet network connection
EXEC session
Router(config)#router rip
Attachment Unit Interface (AUI) connection
How many simultaneous Telnet sessions does a Cisco router support by default?
21. Banner motd
Router(config)#interface MFR
Router#mrinfo
If you wanted administrators to see a message when logging into the router - which command would you use?
Bring up Ethernet0
22. Command string isn't done yet
% Invalid input detected at '^' marker.
% Incomplete command
Router(config)#interface BVI
Router(config)#banner motd
23. Interface range command
Router(config)#interface range
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 Multilink
set the name of a router to Chicago
24. The kernel of Cisco routers and most switches
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#interface Dialer
Down arrow
Cisco IOS
25. Allows you to configure modem commands so that a modem can be connected to the router
Auxiliary port
set the enable secret password to cisco
Router#sh controllers serial 0/0
Router#clear
26. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
Router#erase
Password required - but none set: Which of the following sequences will address this problem correctly?
Atlanta(config-if)#description Sales Lan
Setup mode
27. Request neighbor and version information from a multicast router
Enter interface configuration mode and configure serial 0/0
Router(config)#interface Null
Router#mrinfo
Router(config)#interface Tunnel
28. 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
configure network (config net)
Router(config-if)#
Which command will delete the contents of NVRAM on a router?
29. Show terminal
see the terminal history size
Router(config)#interface Multilink
Setup mode
Router(config)#interface BVI
30. Serial interface
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#interface Serial
Router(config)#interface Group-Async
delete the configuration stored in NVRAM
31. Ping - traceroute - and telnet
show inter et 0 and notice the port is administratively down
Used to verify configuration
Add a secondary IP address
Router(config)#$
32. Configure ethernet port 0
Which command will delete the contents of NVRAM on a router?
Router(config-if)#
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)#int ethernet 0
33. Clear counters on an interface
Router#clear counters s0/0
EXEC session
Router(config)#line aux 0
Exec-timeout 1 44
34. Turn off privileged commands
Atlanta#erase startup-config
Router(config)#interface Dialer
Router(config)#banner motd
Router#disable
35. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Atlanta#sh start
configure network (config net)
Router#sh protocols
Router(config)#line <0-70>
36. Part of the command is missing.
% Invalid input detected at '^' marker.
37. Async interface
configure memory (config mem)
Router(config)#interface Async
Router(config)#interface Group-Async
Router(config)#enable password
38. Description of the interactive help system
Router(config)#banner motd
Router#help
Bandwidth
% Invalid input detected at '^' marker.
39. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router(config)#service password-encryption
Router#clear counters s0/0
Serial interfaces
Router(config)#int serial 5
40. FastEthernet IEEE 802.3
Router#sh protocols
Atlanta#copy run start
Router(config)#interface FastEthernet
Cisco IOS
41. Config t - enable secret cisco
Router(config)#banner login
set the enable secret password to cisco
Router#exit
Router(config)#interface Virtual-Template
42. See if a router's serial interface has a DCE cable connected
Router#
configure terminal (config t)
Router>sh controllers s 0
Router(config)#line aux 0
43. Show protocols - show interfaces - show ip interface
Router(config)#interface range
Label the interface 'WAN to Miami'
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 aux 0
44. 'out-of-band' (meaning out of the network) access
Auxiliary port
Router(config)#enable secret
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router(config)#interface Multilink
45. Interface s0/0
set a serial interface to provide clocking to another router at 64Kb
Atlanta#sh start
Set telnet connection to have no password
Enter interface configuration mode and configure serial 0/0
46. Change a router configuration stored on a TFTP host
configure network (config net)
Which of the following commands will configure all the default VTY ports on a router?
show inter et 0 and notice the port is administratively down
Router(config)#banner login
47. 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
Router(config)#interface Loopback
Router#sh ip interface (brief)
Router(config)#interface range
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
48. Configure a DCE serial interface in bits per second
EXEC session
Router(config-if)#clock rate 64000
configure terminal (config t)
set a user-mode password for the console port
49. A line-activation (exec) banner to be displayed when an EXEC process is created
Router(config)#line <0-70>
Router(config-line)#exec-timeout
Router(config)#banner exec
Router(config)#int ethernet 0
50. 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.
Router(config-router)#
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router>sh controllers s 0