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CompTIA Network+ by Mike Meyers

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CHAPTER 2Building a Network with the OSI Model

The CompTIA Network+ certification exam expects you to know how to

• 1.1 Explain the function of common networking protocols: TCP/IP suite

• 4.1 Explain the function of each layer of the OSI model

To achieve these goals, you must be able to

• Define the OSI seven-layer model

• Explain the major functions of network hardware

• Describe the functions of network software

The CompTIA Network+ certification challenges you to understand virtually every aspect of networking—not a small task, but luckily for you there’s a long-used method to conceptualize the many parts of a network called the Open Systems Interconnection (OSI) seven-layer model.

The OSI seven-layer model is a guideline, a template that ...

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