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TCP IP OSI - 1 Network Access This specifies where the data...

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1. Network Access - This specifies where the data is sent and in what form to the specific network. 2. Internet - This is responsible for supplying data packets or datagram's across one or more networks. 3. Transport - This is responsible for end-to-end message transfers, error control, segmentation, flow control, congestion control, and application addressing. 4. Application - This is used by many applications for network communication. Examples would be FTP, SMTP, TCP and UDP. OSI - The acronym means "Open Systems Interconnection." This was developed on a suggestion by the International Organization for Standardization. OSI is protocols that attempt to identify and regulate the data communication practices. OSI is broken down into 7 layers which have certain protocols. 1. Application - This is the seventh layer and is responsible for end-user services, such as file transfers, messaging, e-mail, and network management. This layer receives the most user interaction.
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