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Exam 3: Physical Layer

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What is the purpose of multiplexing? How does it work? Multiplexing usually is done in multiples of _______ ? Of the different types of multiplexing, what distinguishes a.Frequency division multiplexing FDM)? describe and draw a sketch of this) b.Time division multiplexing TDM)? describe and draw a sketch of this) c.Statistical time division multiplexing STDM)? describe and draw a sketch of this) d.Wavelength division multiplexing WDM)? describe)

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Question 141

The two basic types of media are:

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Question 142

If you were buying a multiplexer, why would you choose either TDM or FDM?

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Question 143
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