Ron Gilster (A+, Network+, i-Net+, Server+, CCSE, CCNA, MBA, and AAGG) has been operating, programming, and repairing computers for more than 30 years. Ron has extensive experience training, teaching, and consulting in computer-related areas, including working on mainframes, minicomputers, and virtually every type of personal computer and operating system that exists. In addition to a wide range of positions that have included College Instructor, Customer Service Manager, Data Processing Manager, Management Information Systems Director, and Vice President of Operations in major corporations and small businesses, Ron has been a management consultant with an international auditing firm and has operated his own computer systems consulting firm. Ron has authored a number of certification books, including Network+ Certification For Dummies, i-Net+ Certification For Dummies, Server+ Certification For Dummies, CCNA For Dummies, Cisco Networking For Dummies, MCSA All-in-One Reference For Dummies, and PC Repair Bench Book (all for Wiley Publishing), as well as several books on computer and information literacy, applications programming, and other computer hardware topics. Ron also acted as the series editor for Wiley Publishing's End to End series and Network+ Certification Bible.Gilster, Ron is the author of 'A+ Certification for Dummies' with ISBN 9780764541872 and ISBN 0764541870.