Question

3. How are hubs and routers useful?
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Answer 1

Hubs are classified as Layer 1 devices per the OSI model. To connect a network of personal computers together, they can be joined through a central hub. Directs data in a network. At the Distribution Layer of the network, routers direct traffic and perform other functions critical to efficient network operation.

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Answer 2

Hub has one Broadcast Domain. In Router, every port has its own Broadcast domain. A router is a networking device that connects a local network to other local networks. At the Distribution Layer of the network, routers direct traffic and perform other functions critical to efficient network operation.