Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?
1.show version
2.show protocols
3.show interfaces
4.show controllers
5.show ip interface
Answer: B
The commands show protocols, show interfaces, and show ip interface will show you the layer 1 and 2 status and the IP addresses of your router's interfaces.
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What command do you type to save the configuration stored in RAM to NVRAM?
Answer: D
To copy the running-config to NVRAM so that it will be used if the router is restarted, use the copy running-config startup-config command (copy run start for short).
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How many simultaneous Telnet sessions does a Cisco router support by default?
Answer: D
Cisco routers, if they do not have the Enterprise edition of the IOS, will default to 5 simultaneous Telnet sessions.
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Which command will delete the contents of NVRAM on a router?
Answer: D
The erase startup-config command erases the contents of NVRAM and will put you in setup mode if the router is restarted.
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Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Answer: C
With the show interfaces command, you can view the configurable parameters, get statistics for the interfaces on the router, verify if the interfaces are shut down, and see the IP address of each interface.
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You type show running-config and get this output:What do the two numbers following the exec-timeout command mean?
[output cut]
Line console 0
Exec-timeout 1 35
Password BIXPASSWD
Login
[output cut]
What do the two numbers following the exec-timeout command mean?
Answer: C
The exec-timeout command is set in minutes and seconds.
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What keystroke will terminate setup mode?
Answer: C
You can exit setup mode at any time by using the keystroke Ctrl+C.
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Which of the following commands sets the secret password to Cisco?
Answer: C
The enable secret password is case sensitive, so the second option is wrong. To set the enable secret
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Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Answer: C
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.
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