Repeater: an electronic device that receives a signal and retransmits it at a higher level or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances.Bridge: a device that connects multiple network segments.Unlike less advanced network hubs, a network switch forwards data only to one or multiple devices that need to receive it, rather than broadcasting the same data out of each of its ports. Switch: a device that connects devices together on a computer network, by using packet switching to receive, process and forward data to the destination device.A data packet is typically forwarded from one router to another through the networks that constitute the internetwork until it reaches its destination node. Routers perform the 'traffic directing' functions on the Internet. Router: a networking device that forwards data packets between computer networks.
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