Please select a word Anti-Virus Application Data Base Firewall Network Operating System Server, Application Server, Content Server, Database Server, Disaster Server, E-Commerce Server, email Server, Fax Server, File Server, FTP Server, Mobile Server, Print Server, Proxy Server, Real-time Communication Server, Software Distribution Server, Streaming Media Server, Web Site Work Station, Mobile Work Station, Networked Work Station, Stand Alone  for its definition.