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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. Provide information once connected to the device
Atlanta#sh run
Router(config)#banner
Router#
set a serial interface to provide clocking to another router at 64Kb
2. Access from console port - -modem into AUX port - and telnet
Router#config t
Router#
EXEC session
Router#sh protocols
3. Privileged mode
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router>enable
Bring up Ethernet0
4. Finishes typing a command for you
Tab
Enter interface configuration mode and configure serial 0/0
Router(config)#interface FastEthernet
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?
5. Manage the system clock
Router#clock
Router(config)#interface range
Router>
Router(config)#interface FastEthernet
6. If no commands have been typed in 1 minute and 44 seconds - the console connection will be closed
Router(config-line)#exec-timeout
Router(config)#interface Vif
Exec-timeout 1 44
Router(config)#line console
7. 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)#banner incoming
Router>
Bandwidth
Router#login
8. See if a router's serial interface has a DCE cable connected
Router#access-profile
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#line aux
Router>sh controllers s 0
9. Enter configuration mode
Router#configure
Atlanta#erase startup-config
Router(config)#int ethernet 0
Router#disable
10. Dialer interface
Router#sh int fastethernet 0/0
view the config
Router(config)#interface Dialer
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
11. Command string isn't done yet
Router(config-if)#
% Incomplete command
Router#configure
Set telnet connection to have no password
12. Show protocols - show interfaces - show ip interface
Router(config)#int ethernet 0
Router(config)#hostname Todd
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)#enable secret todd
13. Set only once and affects the entire router
How many simultaneous Telnet sessions does a Cisco router support by default?
global command
Cisco IOS
Router(config)#line console
14. 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
Password required - but none set: Which of the following sequences will address this problem correctly?
Router#sh history
Which command will delete the contents of NVRAM on a router?
15. There is more than one show command sthat starts with the letters ru.
configure memory (config mem)
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
% Incomplete command
Router(config)#interface MFR
16. Erase flash or configuration memory
Router#access-enable
Exec-timeout 1 44
Router#erase
Router(config)#interface Async
17. CTunnel interface
Router(config-line)#line vty 0 4
Router#configure
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#interface CTunnel
18. Indicates that the line has been scrolled to the left
view the config
% Invalid input detected at '^' marker
configure terminal (config t)
Router(config)#$
19. Create a temporary Access-List entry
Router#access-template
Attachment Unit Interface (AUI) connection
Router(config)#banner motd
Router(config)#int ethernet 0
20. Allows you to still enter the router if you set up authentication through a TACACS server and it's not available. But it isn't used if the TACACS server is working.
How many simultaneous Telnet sessions does a Cisco router support by default?
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)#enable last-resort
Router(config)#interface Multilink
21. 10Mbps Ethernet network connection
Router#copy
Attachment Unit Interface (AUI) connection
Router(config-line)#line vty 0 4
show inter et 0 and notice the port is administratively down
22. Exit from the EXEC
configure terminal (config t)
Router#logout
EXEC session
Router(config-if)#bandwidth 64
23. Cisco CLI that exists in user mode and privileged mode
Router(config)#enable use-tacacs
configure network (config net)
EXEC session
Router#clock
24. View hardware addressing - logical addressing - and statistics of an interface
configure terminal (config t)
Router#sh int fastethernet 0/0
Router(config)#hostname Todd
Router#terminal history size
25. User mode
Router>
Router(config)#interface range
global command
Router#clear counters s0/0
26. First Line number
Router(config)#line <0-70>
Cisco IOS
Router#debug
Router#clock
27. Change the running-config running in dynamic RAM (DRAM)
configure terminal (config t)
Router(config)#line aux 0
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 vty
28. Sets the telnet password
Enter interface configuration mode and configure serial 0/0
Router#
Cisco IOS
Router(config-line)#line vty 0 4
29. Sh int e0; config t; int e0; ip address 172.16.10.2 255.255.255.0; no shut; sh int e0
If you wanted administrators to see a message when logging into the router - which command would you use?
Attachment Unit Interface (AUI) connection
Router#sh terminal
Configure an IP address on e0
30. Ctrl+C
Router(config-subif)#
Attachment Unit Interface (AUI) connection
What keystroke will terminate setup mode?
Router(config)#line console 0
31. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Add a secondary IP address
Router(config)#int fa 0/0
Which of the following commands will configure all the default VTY ports on a router?
Tab
32. 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.
configure network (config net)
Router>logout
Auxiliary port
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
33. Shows previous commands entered
delete the configuration stored in NVRAM
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
% Incomplete command
Down arrow
34. View the current config
Router(config)#interface Dialer
Atlanta#sh run
Router(config)#banner incoming
Router#logout
35. 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)
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#sh version
Router#sh controllers serial 0/0
CLI
36. Description WAN to Miami
37. Show interfaces
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Bandwidth
see if a serial interface needed to provide clocking
Auxiliary port
38. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router(config-line)#
Router(config)#enable secret todd
Router(config)#service password-encryption
Router#mrinfo
39. Command-line interface
delete the configuration stored in NVRAM
Router#sh version
CLI
Router#clear counters s0/0
40. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
EXEC session
Atlanta(config-if)#description Sales Lan
Enter interface configuration mode and configure serial 0/0
Bandwidth
41. Command entered incorrectly
% Invalid input detected at '^' marker
42. WAN connections
% Invalid input detected at '^' marker
Serial interfaces
Router(config)#interface Virtual-Template
delete the configuration stored in NVRAM
43. Description of the interactive help system
Router#help
Auxiliary port
Router#sh int ethernet0
Router(config)#interface FastEthernet
44. Global configuration mode
global command
Router(config)#service password-encryption
Which of the following commands will configure all the default VTY ports on a router?
Router#config t
45. The command service password-encryption - from global configuration mode - will encrypt the passwords.
46. Setup mode
Router#access-enable
Router#mrinfo
Add a secondary IP address
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
47. Open a terminal connection
% Invalid input detected at '^' marker
Router#connect
Router#sh int fastethernet 0/0
Router(config)#interface Multilink
48. Router#reload
reinitialize the router and totally replace the running-config with the current startup-config
Router#access-enable
Atlanta#copy run start
Router#enable
49. Null interface
Auxiliary port
Which of the following commands will configure all the default VTY ports on a router?
What keystroke will terminate setup mode?
Router(config)#interface Null
50. Config t
Router#terminal history size
% Incomplete command
Configure the interface IP address to '10.1.5.255 255.255.252.0'
Enter global configuration mode