A _______ is the physical path over which a message travels.

a-is-the-physical-path-over-which-a-message-travels

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).