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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 difference among Path and Classpath? Path and Classpath are operating system level environment variales. Path is used explain where the system can find the executabl
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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, elec
Q. Describe Differential Manchester? - Inversion at middle of bit interval is utilized for synchronization - Presence or else absence of additional transition at beginning o
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
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UDP Segment Structure The primary purpose of the UDP protocols is to expose datagram's to the application layer. The UDP protocols does very little and therefore employ
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