1 The physical layer is concerned with ........

Computer GK Networking

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1. The physical layer is concerned with ___________

bit-by-bit delivery

process to process delivery

application to application delivery

port to port delivery

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Explanation:

Answer: a
Explanation: Physical layer deals with bit to bit delivery in networking. The data unit in the physical layer is bits. Process to process delivery or the port to port delivery is dealt in the transport layer. The various transmission mediums aid the physical layer in performing its functions.