Scott Jernigan, CompTIA ITF+, CompTIA A+, CompTIA Network+, CompTIA Security+, MCP, is the author or co-author (with Mike Meyers) of over two dozen IT certification books, including CompTIA Network+ Certification All-in-One Exam Guide (McGraw Hill) and Mike Meyers’ CompTIA Security+ Certification Guide (McGraw Hill). He has taught seminars on building, fixing, and securing computers and networks all over the United States, including stints at the FBI Academy in Quantico, Virginia, and the UN Headquarters in New York City, New York.