(Ethernet networking is very flexible and concise. It can use a variety of physical media to form a network with different topology networking technologies. 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 standard, which is a typical bus structure
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