Question

Which of the following is the fastest communication channel?
A) Microwave
B) Optical fiber
C) Radio wave
D) All are operating at nearly the same propagation speed

Answer 1

Microwave is the fastest communication channel.

Answer 2

correct option is A) Microwave

Microwave is a line-of-sight wireless communication technology that uses high frequency beams of radio waves to provide high speed wireless connections that can send and receive voice, video, and data information.

There might be confusion with Optical fiber but, A microwave is the fastest communication channel whereas Optical fiber is a way of transferring data not a way of communication.