A _______ is the physical path over which a message travels.
A. Path
B. Medium
C. Protocol
D. Route
I got this question during a job interview.
Asked question is from Basics in chapter Computer Networks Introduction of Computer Network
The correct option is B. Medium
The explanation: Messages travel from sender to receiver via a physical path called the medium using a set of methods/rules called protocol. Mediums can be guided (wired) or unguided (wireless).