Operating Systems: Installation; Configuration; Maintenance; service packs, patches; Server services; print, file, DHCP, DNS, FTP, HTTP, mail, SNMP, telnet; Client services; Support. Applications: Installation; Configuration; Maintenance; service packs, patches; Server services; database, web, network services; Client services; Support Administrative Activities: Content management; Content deployment; (file system planning and structure); Server administration and management; User and group management; Backup management; Security management; Disaster recovery; Resource management; Automation management (automatic job scheduling); Site management notebooks and documents; System support; User support and education. Administrative Domains: Web domain; Network domain; Database domain; OS domain; Support domain