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COMPUTER NETWORKING

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

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

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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?

2 seconds
12 seconds
120 seconds
None of these
20 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:

Inter organizational networks
Bandwidth alternatives
Extranets
None of these
Switching alternating

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

serial port
None of these
network
communication adapter
computer

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

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

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