What is an important function of the physical layer of the OSI model?
It encodes frames into electrical, optical, or radio wave signals.
It accepts frames from the physical media.
It encapsulates upper layer data into frames.
It defines the media access method performed by the hardware interface.
It encodes frames into electrical, optical, or radio wave signals.
It accepts frames from the physical media.
It encapsulates upper layer data into frames.
It defines the media access method performed by the hardware interface.