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Computer Networking

Computer Networking
A medium access control technique for multiple access transmission media is

Aloha
Attenuation
None of these
Amplitude
Angle modulation

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Computer Networking
A network that requires human intervention of route signals is called a

ring network
None of these
star network
bus network
T-switched network

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Computer Networking
What function does a serial interface perform in data communication?

Converts analog signals into digital signals
Decodes incoming signals into computer data
Converts serial data into audio signals
None of these
Converts parallel data into a stream of bits

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Computer Networking
Which of the following is used for modulation and demodulation?

protocols
multiplexer
gateway
None of these
modem

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Computer Networking
A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?

1.5 Mbaud/sec
None of these
12 Mbaud/sec
6 Mband/sec
24 Mbaud/sec

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Computer Networking
Devices interconnected by the LAN should include

None of these
All of these
bridges and gateways
Computers and terminals
mass storage device, printers and plotters

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