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Q. Explain physical layer of Osi reference model?
- The physical layer deals among the physical characteristics of the transmission medium.
- It defines the mechanical, electrical, procedural and functional specifications for maintaining, activating and deactivating the physical link between end systems.
- Such characteristics like timing of voltage changes, voltage levels, physical data rates, maximum transmission distances, physical connectors and other similar attributes are defined by physical layer specifications.
- Instances RJ45, EIA/TIA-232 and NRZ
What is a TP Monitor? There is no commonly accepted explanation for a TP monitor. According to Jeri Edwards' a TP Monitor is "an OS for transaction processing".
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Name the layer responsible for putting 1s and 0s into a logical group? Ans) Frames are broken down into 1s and 0s and placed onto the physical medium by the Data Lin layer.
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