(Ethernet networking is very sensitive and concise, can use a variety of physical media, and use different topology networking technologies to form a network. It is the most widely used network at home and abroad today, and has become the mainstream of network technology. Ethernet is divided into 10Mb/s, 100Mb/s, 1000Mb/s according to its transmission rate. Thin cable Ethernet 10BASE-210BASE-2 Ethernet is the IEEE802.3 specification, which is a typical bus structure
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