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Bill Ferguson (VCI3-VCI6, CCSI, MCT) has been in the computer industry for over 20 years. Originally in technical sales and IT consulting with Sprint, Bill made his transition to Certified Technical Trainer in 1997 with ExecuTrain. He now has his own company, Parallel Connections, based in Birmingham, Alabama, and teaches classes for most of the national training companies, in person and online.
In addition, he writes and produces technical training videos for Specialized Solutions, Virtual Training Company, and Safari's LiveLessons. His videos include Network+, Fundamentals of VMware vSphere Virtualization, and Interconnecting Cisco Network Devices (ICND 1 and 2). He is the author of a number of books, including the last three CompTIA Network+ Review Guides (Sybex/Wiley Press) and the last two Official VCP5 Certification Guides (Pearson/VMware Press). His latest book, Official Cert: Foundations Guide for vSphere 6 (Pearson/VMware Press), is an Official Cert guide for the Foundations test that all VCP6s must now pass.