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What is a Bridge?

A bridge is an electronic device that connects two networks such as LAN that uses the same protocol such as Ethernet or Token Ring, and creates two distinct LAN’s or Wide Area Networks. Operating at the Data Link Layer of the Open System Interconnect model, bridges have the ability to filter the information and can pass such information to the right nodes, or decide not to pass any information. They also help in streamlining or reducing the volume of traffic on a LAN by dividing the data into two segments.

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