-administraton OS of Windows family(XP, 7, 8, 10), OS X and Android,
-managing Active Directory and eDirectory services,
-basics of Cisco switch configuration,
-obsługa centrali telefonicznej Ericsson,
-administration of Microsoft System Center, MS Office(2000, 2003, 2007, 2010, 2013, 365, 2016), JD Edwards Adobe family, Citrix, Quark and AutoDesk,
-crossing LAN and TC wires,
-diagnostics and fixing workstations PC/MAC.