That is to say, the telecommunications department uses the existing Internet communication lines and bandwidth resources to establish a standardized telecommunications professional computer room environment, providing enterprises and governments with all-round services such as server hosting, leasing and related value-added. The experience network knowledge needed for computer room maintenance is a part of hardware foundation. Doing this kind of work requires work experience, that is to say, someone has to answer it. . Because it covers a wide range of knowledge. . What to do specifically does not necessarily depend on the arrangement of the leaders. . . As big as the network security detection server data maintenance firewall setting hardware maintenance as small as a crystal head.