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OSI Model in Networking in Urdu , Computer Networking tutorial 17 lecture

OSI Model in Networking in Hindi Urdu p1, Computer Networking tutorial 17 lectur. Developed by representatives of major computer and telecommunication companies beginning in 1983, OSI was originally intended to be a detailed specification of actual interfaces. Instead, the committee decided to establish a common reference model for which others could then develop detailed interfaces, which in turn could become standards. OSI was officially adopted as an international standard by the International Organization of Standards (ISO). The seven Open Systems Interconnection layers are: Layer 7: The application layer .         This is the layer at which communication partners are identified (Is there someone to talk to?), network capacity is assessed (Will the network let me talk to them right now?), and that creates a thing to send or opens the thing received.     Layer 6: The presentation layer.           In this layer is usually part of an operating system (OS) and con