A) Programs
B) Dialogs
C) Protocols
D) Bits
E) None of these
Correct Answer: D
Solution :
The physical layer, lowest layer, in the OSI model is concerned with the transmission and reception of the unstructured raw bit stream (rather than logical data packets) over a physical medium. The hit stream may be grouped in to code words or symbols and converted to a physical signal that is transmitted over a hardware transmission medium.You need to login to perform this action.
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