select name from Win32_OperatingSystem
host= not supported os.
SELECT name,currentbandwidth,bytesreceivedpersec,bytessentpersec,packetsreceivederrors,packetsoutbounderrors,packetspersec,frequency_perftime,frequency_sys100ns,timestamp_perftime,timestamp_sys100ns,timestamp_object,frequency_object FROM win32_perfrawdata_tcpip_networkinterface 
SELECT name,currentbandwidth,bytesreceivedpersec,bytessentpersec,packetsreceivederrors,packetsoutbounderrors,packetspersec,frequency_perftime,frequency_sys100ns,timestamp_perftime,timestamp_sys100ns,timestamp_object,frequency_object FROM win32_perfrawdata_tcpip_networkinterface