Discussion
The _______ is the physical path over which a message travels:
Answer: B
Correct answer: Medium
The transmission medium is the physical path along which the signal actually travels - twisted pair, coaxial cable, optical fibre or free space. It is one of the five components of a data communication system, with the message, sender, receiver and protocol. A path or route is the logical sequence of nodes a message passes through, which is a different idea from the physical carrier itself.
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