About the Authors

Diana Huggins is currently an independent contractor providing both technical writing and consulting services. Prior to this, she worked as a senior systems consultant. Some of the projects she worked on included a security review of Microsoft's official curriculum and content development for private companies, as well as network infrastructure design and implementation projects.

Diana's main focus over the past few years has been writing certification study guides. To complement her efforts, she also spends a portion of her time consulting for small- to medium-sized companies in a variety of areas and continues to work as an independent technical trainer.

Diana currently has her Microsoft Certified Systems Engineer (MCSE) and Microsoft Certified Trainer (MCT), along with several other certifications from different vendors. Although her focus is on the information technology industry, she also holds a bachelor's degree in education. Diana runs her own company, DKB Consulting Services. The main focus of the company is developing certification training courseware and online practice exams, as well as content delivery.

Bill Ferguson, MCT, MCSE, MCP+I, CCNA, A+, Network+, Server+, has been in the computer industry for more than 15 years. Originally in technical sales and sales management with Sprint, Bill made his transition to Certified Technical Trainer in 1997 with ExecuTrain. Bill now runs his own company as an independent contractor in Birmingham, Alabama, teaching classes for most of the national training companies and some regional training companies and corporations. In addition, Bill writes and produces technical training videos for Virtual Training Company, Inc. and Specialized Solutions, Inc. His current titles include A+, Network+, Windows 2000 Management, Windows XP Management, Windows 2000 Security, Server+, and Interconnecting Cisco Network Devices. Bill keeps his skills sharp by being a technical reviewer for books and sample tests. Bill says, "My job is to understand the material so well that I can make it easier for my students to learn than it was for me to learn."