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COMPUTER NETWORKING

Computer Networking
Which of the following is an important characteristic of LAN?

parallel transmission
low cost access for low bandwidth channels
None of these
unlimited expansion
application independent interfaces

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Computer Networking
A 2000-character text file has to be transmitted by using a 1,200 baud modem. Can you tell how long will it take?

None of these
20 seconds
12 seconds
2 seconds
120 seconds

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Computer Networking
Telecommunications networks come in a wide range of speed and capacity capabilities. Select the best fit for answer:

None of these
Bandwidth alternatives
Inter organizational networks
Switching alternating
Extranets

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Computer Networking
A modem is connected in between a telephone line and a

computer
None of these
serial port
communication adapter
network

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Computer Networking
What frequency range is used for TV transmission and low power microwave applications?

None of these
Very Low Frequency : 3 kHz to 30 kHz
Super High Frequency : 3000 MHz to 30000 MHz
Ultra High Frequency : 300 MHz to 3000 MHz
Medium Frequency : 300 kHz to 3 MHz

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