C

Chandrakant • 6.73K Points
Tutor III Computer

  • (A) parallel transmission
  • (B) QAM
  • (C) high capacity data links
  • (D) modems
Correct Answer - Option(D)

Explanation by: Chandrakant
In multiplexing, the signals that carried by the channel are analague and as such susceptible to picking up interference. This can't be removed from the signal. Each channel in the scheme needs a dedicated modem at each end of the channel to place the signal on a carrier and remove it at the far end.

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