Drawing together the inter-related aspects of IT fundamentals, networking, platform technologies, management, human-computer interaction, administration and maintenance, security, system integration and architecture and social and professional issues, the Encyclopedia of Information Systems and Technology serves as a reference to both students and professionals, covering the entire broad multi-disciplinary scope of IT. Entries are organized by topics adhering to internationally recognized bodies of knowledge such as The IT BOK, Chartered Information Technology Professionals Program and the International IT Professional Practice Program.