网络内型(网络的分类)（Intra network type (classification of networks)）.docVIP

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网络内型(网络的分类)（Intra network type (classification of networks)）.doc

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网络内型(网络的分类)（Intra network type (classification of networks)）

网络内型(网络的分类)（Intra network type (classification of networks)） There are different ways of classifying networks from different perspectives, and each network name has a special meaning. Several combinations of names or names plus parameters can be used to see the characteristics of the network. Gigabit Ethernet represents a network of Gigabit buses with a transmission rate of up to 100. Understanding network classification and type characteristics is one of the important foundations of network technology. One, according to the geographical location of the network classification 1. local area network (LAN): generally limited to smaller areas, less than 10km range, usually wired to connect. 2. metropolitan area network (man): the scale is confined within the scope of a city, ranging from 10 to 100km. 3. wide area network (WAN) network across borders and continents, and even the world. At present, LAN and WAN are hot spots in the network. LANs are the basis for the formation of two other types of networks, and metropolitan areas are generally connected to wans. A typical representative of Wan is the Internet network. 4. personal area network (PAN): personal area network is in place to belong to the individual personal work for use in electronic equipment (such as portable computer etc.) connected by wireless network technology, it is often referred to as wireless personal area network WPAN, its range is about 10m. Two classification by transmission medium 1. wired network: coaxial cable and twisted pair to connect the computer network. Coaxial cable network is a common networking mode. The utility model has the advantages of economy, convenient installation, low transmission rate and anti-interference ability and short transmission distance. Twisted pair network is the most common networking mode at present. It is cheap, easy to install, but easy to interference, low transmission rate, shorter transmission distance than coaxial cable. 2. optical fiber network: fiber opti