What is an important function of the physical layer of the OSI model?
- 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.
Explanation: The physical layer of the OSI model accepts frames from the data link layer and encodes it for transport as bits across the network media.
Exam with this question: Module 1.6.3 Physical Layer Quiz
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