CHAPTER 2Network Models
The CompTIA Network+ certification exam expects you to know how to
• 1.1 Explain the function of common networking protocols (such as TCP/IP)
• 1.2 Classify how applications, devices, and protocols relate to the OSI model layers
• 1.3 Identify the following address formats (IPv4)
• 2.5 Given a scenario, troubleshoot common router and switch problems
To achieve these goals, you must be able to
• Describe how models such as the OSI seven-layer model and the TCP/IP model help technicians understand and troubleshoot networks
• Explain the major functions of networks with the OSI seven-layer model
• Describe the major functions of networks with the TCP/IP model
The CompTIA Network+ certification challenges you to understand ...
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