The difference between a multiplexer and a statistical multiplexer is

1.	The difference between a multiplexer and a statistical multiplexer is
A.	Statistical multiplexers need buffers while multiplexers do not need buffers
B.	Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol
C.	Multiplexers often waste the output link capacity while statistical multiplexers optimize its use
D.	Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM)
E.	None of the above
Answer» B. Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol

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The difference between a multiplexer and a statistical multiplexer is

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