随着社会信息化的发展,计算机网络技术不断普及,几乎每个单位都有自己的网络,从局域网的规划、组建、管理和维护,到网站的发布运行,从网络安全的管理到数据库管理等制度的建立,都离不开计算机网络。在这个网络应用广泛的时代,计算机网 With the development of social informatization, the computer network technology is popularized. Almost every unit has its own network. From the planning, establishment, management and maintenance of the LAN to the publishing and running of the website, from the management of network security to the database management The establishment of the system, are inseparable from the computer network. In the era of widespread use of this network, the computer network