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Windows® Small Business Server 2008: Administrator’s Pocket Consultant by Craig Zacker

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Ethernet/IEEE 802.3

The second layer of the OSI reference model, the data-link layer, is represented by the IEEE 802.3 protocol, commonly known as Ethernet. The Ethernet protocol is responsible for the basic communication between computers on the same network. In a typical local area network (LAN), the Ethernet implementation takes the form of the network interface adapters in the computers and the device drivers that enable the computers to use the adapters.

Ethernet is a packet-switching network, meaning that the computers divide the data that they want to transmit into small pieces, called packets, and transmit them individually over the network. When the packets reach their destination, the receiving computer reassembles them back into their ...

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