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  • Question
  • Which of the following is the fastest communication channel?


  • Options
  • A. Microwave
  • B. Optical fiber
  • C. Radio wave
  • D. All are operating at nearly the same propagation speed

  • Correct Answer
  • Microwave 

    Explanation

    A microwave is the fastest communication channel whereas Optical fiber is a way of transferring data not a way of communication.

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