Configuration TCP/IP, LAN, WAN. Network Switch Router , installations of All O.S Like XP,Vista/Win7 ,8,10 , Installations Configurations AD, DNS DHCP FTP IIS ...Desktop Support installations All Software Antivirus updates.....Linux UNIX Install Configurations & User admin Networks Services Install Bind Server SAMBA NFS Apache Server, Router, Switch configurations TCP/IP LAN WAN Maintains, Installations & Configurations Server 2k,2k3,2k8/ 2012/Antivirus Escan , Norton antivirus ....Etc