Glen E. Clarke, MCSE, MCDBA, MCSD, CompTIA A+, CompTIA Network+, CompTIA Security+, is an independent trainer and consultant, focusing on network security and security auditing services. He delivers certified courses on Windows Server, SQL Server, Exchange Server, Visual Basic .NET, and ASP.NET. Clarke is a co-author of CompTIA Security+ Certification Practice Exams, Mike Meyers’ CompTIA Network+ Certification Passport, Third Edition (both McGraw-Hill), A+ Bible, and A+ For Dummies (both Wiley). He is the author of previous editions of this book and CompTIA Security+ Certification Study Guide (McGraw-Hill).
Robb H. Tracy, CompTIA A+, CompTIA Network+, CompTIA Linux+, CNE, has designed and implemented technical training products and curricula for major hardware and software vendors including Novell, Micron Technology, and NextPage, Inc. He has also served on industry-wide certification committees, and is a co-founder of Nebo Technical Institute, Inc., a leading provider of information technology training and consulting. Robb is the author of LPIC-1/CompTIA Linux+ All-in-One Exam Guide and other books.
