CHAPTER 2Models, Ports, Protocols, and Networking Services
This chapter covers the following official Network+ objectives:
Explain the purposes and uses of ports and protocols.
Explain devices, applications, protocols, and services at their appropriate OSI layers.
Explain the functions of network services.
This chapter covers CompTIA Network+ objectives 1.1, 1.2, and 1.8. For more information on the official Network+ exam topics, see the “About ...
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