(Word document, which summarizes and collects the most basic and commonly used network commands of network engineers, is also the knowledge they must know! The extracted part is as follows: 1 The most basic and commonly used method is to test the ping192.168.0.8-t of the physical network. The parameter - t is to wait for the user to interrupt the test 2 View DNS, IP, MAC, etc. a.win98:winipcfgb Win2000up: ipconfig/allc NSLOOKUP: for example, check DNSc in hebei:\gt; nslookupDefaultServer:ns. hesjpttAddress:202.99.160.68gt; Server202.99.41.2 changes DNS to 41.2gt; pop. pcpopServer:ns. hesjpttAddress:202.99.160.68Non-authoritativeanswer:Name:pop. pcpopAddress:202.99.160.212...... See attachment for more information~)