Computer Networking
If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is

4800 bands
3200 bands
1200 bands
None of these
9600 bands

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Computer Networking
Modulation is the process of

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

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