To begin to understand all these interrelated systems it is essential that computer users today are aware of Internet-based technology. This book introduces these technologies and is aimed at internet users who want to understand the technology that many of today's business and recreation-based computing. This book will help you quickly gain an understanding of the principles of the technology behind the Internet / communications revolution in your life both work and recreation, and: provide a thorough understanding of intranet, extranet and internet explains all about: how e-mail provides mail domain name service how to find the Internet computer problems faced by network designers basics of computer security issues some new technologies such as WAP, Bluetooth, UMTS and Napster Shows you how your office or home network actually works. Keith Sutherland is a Microsoft Certified Systems Engineer specializing in TCP / IP, IIS and SQL Server. His client list includes many blue-chip companies together with government organizations and international. Explain, in simple terms, the internet how the technology works, and how this can affect business Provide a quick overview of core technology Cutting through the Jargon