Describe in general terms the role of layer 3 routing and layer 2 switching in a computer network.
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Describe in general terms the role of layer 3 routing and layer 2 switching in a computer network.
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This sounds like a homework question. Please review your textbook.
Layer 3 of the OSI model is where IP addresses are used for routing.
Layer 2 of the OSI model is where MAC addresses are used to get packets from one hop to the next.