+A network hub is a central point, connecting multiple [Network](/wiki/network) devices to form a single shared segment. It broadcasts all incoming data to every connected port, making it a simple, yet inefficient, repeater of signals. Unlike a [Network Switch](/wiki/network_switch), hubs create a single collision domain, limiting overall network performance.
+## See also
+- [Repeater](/wiki/repeater)
+- [Collision Domain](/wiki/collision_domain)
+- [Router](/wiki/router)
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