Jul 05, 2008 @ 05:16 pm by HackingManual

Switches increase the number of broadcast domains in a network. VLANS (Virtual Local Area Networks) on switches decrease the size of broadcast domains by increasing the # of broadcast domains Switches are similar bridges, and switches usually have more ports than bridges do. Switches look at the source mac address of each frame to learn them. Switches forward data based on mac addresses. Mac addresses are also known as Layer 2 addresses. Switches forward layer 2 broadcasts. Switches can transfer data simultaneously using a Full Duplex Connection. So this means that they can send and receive data at the same time. This is faster than Half Duplex.

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