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50 port network switch

An ethernet switch is a device used to build a network connection between the attached computers using Ethernet port of computers(allows computers to talk to each other).It is an example of Packet switching.It differs from an ethernet hub: While a hub will send incoming data packets to all ports, a switch understands the packets' addressing scheme and will send any data packet only to its destination port, thus limiting the number of collisions (data sent at the same time).