Computer Networking
When data is encapsulated, which is the correct order?

Data, segment, frame, packet, bit
Data, frame, packet, segment, bit
Data, segment, packet, frame, bit
Segment, data, packet, frame, bit

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Computer Networking
Bulletin board system

is a modem capable of accepting commands
None of these
converts digital signals to analog signals
converts analog signals to digital signals
is a public access message system

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Computer Networking
Bandlimited signal is

All of these
transmission of signals without modulation
None of these
simultaneous transmission of data to a number of stations
a signal all of whose energy is contained within a finite frequency range

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Computer Networking
Modulation is the process of

converting digital signals to analog signals
Multiplexing various signals into high speed line signals
converting analog signals to digital signals
performing data encryption.

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