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31 Days Before Your CCENT Certification by Scott Bennett

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Day 29. Describe the Purpose and Basic Operation of the Protocols in the OSI and TCP Models

From the physical standards for speed to the application requirements to request a web page, protocols standardize network communication. Each layer of the OSI and TCP/IP models contains protocols that define communication inside that layer and with neighboring layers. When, how, how much, and how often information can be sent is covered in Chapters 3 and 6 of CCNA Discovery 1 and Chapter 7 of CCNA Discovery 2.

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