1.6 Network Models and Layers
Network models explain how data moves from one device to another in an organized way. These models divide communication into different layers. Each layer performs a specific task in data transmission (as shown in Figure 1.13). Layered models make networks easier to understand and manage. They also help in troubleshooting network problems. Network models are used as standards in networking.
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lightbulbNetwork models are used to understand complex network communication in simple steps.