Q. A communications device that combines transmissions from several I/O devices into one line is a:

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Q. Which of the following technique is used for allocating capacity on a satellite channel using fixed-assignment FDM?

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Q. An ROP would be attached to a

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Q. The communication mode that supports data in both directions at the same time is

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Q. ASK, PSK, FSK, and QAM are examples of _____ encoding.

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Q. Which of the following communications modes support two-way traffic but in only one direction of a time?

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Q. In synchronous Time-Division Multiplexing (TDM), the data rate of the link is faster

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Q. In statistical Time-Division Multiplexing (TDM), a block of data is usually many bytes while the address is just

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Q. The voice channels of the E-4 is

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Q. Telephone companies implement multiplexing

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Q. The techniques for efficient utilization of bandwidth includes

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Q. In statistical Time-Division Multiplexing (TDM), only when an input line has a slot's worth of data to send is given a slot in the

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Q. WDM is an analog multiplexing technique to combine

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Q. Digital signal service is created by TDM through a hierarchy of digital signals and is implemented by:

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Q. A pseudorandom code generator is called

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Q. Time-division multiplexing is designed for

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Q. The technique that uses M different carrier frequencies that are modulated by the source signal is called

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Q. Europeans use a version of T lines that are called

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Q. Multiplexing combines signals from several sources to achieve

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Q. Privacy and anti jamming can be achieved by

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