Which of the following does not allow multiple users or devices to share one communications line?

Which of the following does not allow multiple users or devices to sha

1.	Which of the following does not allow multiple users or devices to share one communications line?
A.	doubleplexer
B.	multipplexer
C.	concentrator
D.	controller
E.	None of the above
Answer» B. multipplexer

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Which of the following does not allow multiple users or devices to share one communications line?

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