CompTIA Network+ Review Guide: Exam: N10-005, 2nd Edition

Bill Ferguson, A+, Network+, Server+, Security+, has over 15 years of IT experience. He currently runs Parallel Connections and is an independent contractor, teaching classes worldwide. He also writes and produces technical training videos for Specialized Solutions, Virtual Training Company, and Palaestra Training Company. Bill has written several books, including the first edition of the CompTIA Network+ Review Guide.