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Computer Networking

Computer Networking
The number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self connection is

100
90
50
45

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Computer Networking
Select the cable that uses copper conductor, accept and transport signals in the form of electric current?

All of these
Metallic cable
Fiber-optic cable
Twisted pair cable

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Computer Networking
Which of the following is a voiceband channel?

Telephone line
Coaxial cable
Telegraph line
None of these
Microwave systems

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Computer Networking
What frequency range is used for microwave communications, satellite and radar?

Super High Frequency : 3000 MHz to 30000 MHz
Extremely High Frequency :30,000 MHz
Medium Frequency : 300 kHz to 3 MHz
Low Frequency : 30 kHz to 300 kHz
None of these

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Computer Networking
Which of the following is not a disadvantage of wireless LAN?

All of these
higher error rate
interference of transmissions from different computers
Slower data transmission

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Computer Networking
What does the command routerA (config) #line cons 0 allow you to perform next?

Disable console connections.
Shut down the router.
Set the Telnet password.
Set your console password.

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