CompTIA A+ 220-801 and 220-802 Authorized Practice Questions Exam Cram (5th 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 CramandCompTIA Security+ Cert Guide. 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.