This device sends every packet received out of every port on the device except the one it was received on. It is an early multi-port networking device that is basically obsolete. This is what device?
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Answer Description
A network hub is a layer 1 device that was the precursor to the switch. A hub doesn’t have the ability to do any type of traffic management. It just sends traffic out of every port except the port it was received on.
Wikipedia
An Ethernet hub, active hub, network hub, repeater hub, multiport repeater, or simply hub is a network hardware device for connecting multiple Ethernet devices together and making them act as a single network segment. It has multiple input/output (I/O) ports, in which a signal introduced at the input of any port appears at the output of every port except the original incoming. A hub works at the physical layer (layer 1) of the OSI model. A repeater hub also participates in collision detection, forwarding a jam signal to all ports if it detects a collision. In addition to standard 8P8C ("RJ45") ports, some hubs may also come with a BNC or an Attachment Unit Interface (AUI) connector to allow connection to legacy 10BASE2 or 10BASE5 network segments.
Hubs are now largely obsolete, having been replaced by network switches except in very old installations or specialized applications. As of 2011, connecting network segments by repeaters or hubs is deprecated by IEEE 802.3.
Ethernet_hub - Wikipedia, the free encyclopedia 