Chapter 3: Multiplexing & Transmission Medium

What are the three major multiplexing techniques?

• FDM

• TDM

• WDM

• All of the above

Which multiplexing technique transmits analog signals?

• FDM

• TDM

• WDM

• FDM and WDM

The sharing of a medium and its link by two or more devices is called..........

• Modulation

• Encoding

• Line disipline

• Multiplexing

Which multiplexing technique transmits digital signals?

• FDM

• TDM

• WDM

• None of the above

Which multiplexing technique shifts each signal to a different carrier frequency?

• FDM

• TDM

• WDM

• None of the above

Guard bands increase the bandwidth for ..................

• FDM

• TDM

• FDM and TDM

• None of the above

Which multiplexing technique involves signals composed of light beams?

• FDM

• TDM

• WDM

• None of the above

Framing bits allow the ................. multiplexer to synchronize properly.

• FDM

• TDM

• WDM

• FDM and TDM

Digital signal (DS) is a hierarchy of .............. signals.

• FDM

• TDM

• WDM

• FDM and TDM

Guard bands keep the modulated signals from overlapping and interfering with one another in..............

• FDM

• TDM

• WDM

• FDM and WDM