通过WMI来过去系统信息，等同于通过运行执行"msinfo32.exe"获取的信心配置.-System information through WMI to the past, is equivalent to the implementation by running " msinfo32.exe" Get the confidence configuration.

利用DNS类和WMI获取设备的IP地址和MAC地址-WMI classes and the use of DNS to obtain the IP address and MAC address