CompTIA Security+ SY0-301 Authorized Cert Guide (2nd Edition)
 David L. Prowseis an author, a computer network specialist, and a technical trainer. Over the past several years he has authored several titles for Pearson Education, including the well-receivedCompTIA A+ Exam Cram. As a consultant, he installs and secures the latest in computer and networking technology. Over the past decade he has also taught CompTIA A+, Network+, and Security+ certification courses, both in the classroom and via the Internet.He runs the website www.davidlprowse.com, where he gladly answers questions from students and readers.