Transcription of CHAPTER FOUR OSI Model and Network Protocols
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4 CHAPTER FOUROSI Model and the function of common networking (S). (VoIP).RTP (VoIP). 4: OSI Model and Network the function of each layer of the OSI 1 2 data 3 4 5 6 7 applicationWhat You Need To the seven layers of the OSI the function of each layer of the OSI the layer at which networking devices the function of various networking of the most important networking concepts to understand is the OpenSystems Interconnect (OSI) reference Model . This conceptual Model , created bythe International Organization for Standardization (ISO)in 1978 and revised in1984, describes a Network architecture that allows data to be passed betweencomputer CHAPTER looks at the OSI Model and describes how it relates to real-worldnetworking. It also examines how common Network devices relate to the OSImodel. Even though the OSI Model is conceptual, an appreciation of its purposeand function can help you better understand how protocol suites and networkarchitectures work in practical OSI Seven-Layer ModelAs shown in Figure , the OSI reference Model is built, bottom to top, in thefollowing order: physical, data link, Network , transport, session, presentation,and application.
model. Even though the OSI model is conceptual, an appreciation of its purpose and function can help you better understand how protocol suites and network architectures work in practical applications. The OSI Seven-Layer Model As shown in Figure 4.1, the OSI reference model is built, bottom to top, in the
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