What is the primary function of the physical layer in a network?

Show Answers

Creates data packets and transmits them over the networkManages error checking and correction processesSpecifies the electrical properties of signals exchanged between the computer and networking hardwareIncludes all of the above functions

Explanation

Option A refers to data packet creation and transmission, which is handled by higher layers. Option B relates to error detection and correction, typically managed by the data link layer. Option C correctly identifies the physical layer's role in defining the electrical characteristics of signals exchanged between devices. Therefore, the correct answer is option C.