What is a purpose of the physical layer in data communication?

ITExamAnswers Editorial Team Last Updated: Nov 22, 2022

IT Exam Items Repository › Category: Network Fundamentals › What is a purpose of the physical layer in data communication?

What is a purpose of the physical layer in data communication?

to wrap data packets into frames
to make sure that MAC addresses are unique in each frame
to control the access sequence of frames to the transmission media
to convert a frame into a series of signals to be transmitted on the local media

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