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The Physical OSI Layer, or Layer 1 of the Open Systems Interconnection model, is responsible for the transmission and reception of raw bitstreams over a physical medium. It defines the hardware elements involved in the communication process, including cables, switches, and signaling methods. This layer deals with aspects such as electrical signals, light signals, and radio waves, ensuring that data is effectively transmitted across different types of media. It does not concern itself with the meaning of the data, which is handled by higher layers in the OSI model.

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1w ago

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