David Watts, MCSE, MCSD, CNE, Network+ is currently employed by Hilton Computer Strategies in Houston, Texas. David has worked since 1988 as both a consultant and project lead on enterprise level deployments of Microsoft technologies. An expert in Microsoft systems, David can often be found teaching students at all levels. Ed Tittel, Series Editor of Exam Cram2 and originator of the series, runs LANWrights, Inc., a training and writing firm that specializes in networking, computer security, and markup languages. Ed has contributed to more than 100 books on various aspects of computing.