Answer / priyadarsan.u.s

Transmission medium decides the probability for a signal to
reach the receiver without any error.If the transmission
medium in noisy ,there is a greater probability that an
error is in the signal received.This will prompt the network
to send a re-transmit request to the sender(actually this is
handled by the protocol used for communication). Anyway this
task if repeated frequently will cause delay in
communication and will affect the speed of network...
Usually characters of medium are
a) Bandwidth
b) Channel capacity
c) Error probability
d) Coding Technique used.....etc.

Answer / ghanshyam

Attanuation of signal depends on type of the transmisson
medium.

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