A guide for network administrators, MIS managers, information technologists, and technicians with experience in networking. Shows how to create and maintain a Virtual Private Network (VPN) that allows companies to send data across the Internet through an encrypted "tunnel." Screenshots and step-by-step examples are used to further explain concepts. Wilson has researched design and installation of data interfaces. Doak is a professor of electronics and computer systems technology at the College of the Mainland in Texas. Annotation c. Book News, Inc., Portland, OR (booknews.com)