This chapter maps to topic 1.2 from the official CompTIA Network+ blueprint: Classify how applications, devices, and protocols relate to the OSI model layers. Chapter 2 aims to dig deeper into the concepts introduced in the previous chapter to ensure that students have a solid understanding of networking fundamentals and which network devices (i.e., hubs, switches, routers) fit into which layers of the OSI reference model.
The main purpose of a network is facilitating communication and information-sharing between network-enabled resources (e.g., workstations, servers, and other network devices). The following sections will present components that can . . .
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