Chapter 2
Models, Ports, Protocols, and Network Services
This chapter covers the following official Network+ objectives:
Compare and contrast the Open Systems Interconnection (OSI) model layers and encapsulation concepts.- Explain common ports and protocols, their application, and encrypted alternatives.
- Explain the use and purpose of network services.
This chapter covers CompTIA Network+ objectives 1.1, 1.5, and 1.6. For more information on ...
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