About the Author

David L. Prowse is a computer network specialist, author, and technical trainer. As a consultant, he installs and secures the latest in computer and networking technology. Over the past several years, he has authored several titles for Pearson Education, including the well-received CompTIA A+ Exam Cram. In addition, over the past decade he has 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.

About the Reviewer

Aubrey Adams (CCNA, Security+) is an electronic and computer system engineering lecturer and Cisco Networking Academy instructor at Central Institute of Technology in Perth, Western Australia. Coming from a background in telecommunications design, with qualifications in electronic engineering and management and graduate diplomas in computing and education, he teaches across a range of computer systems and networking vocational education and training areas. Aubrey also authors Networking Academy curriculum and assessments and is a Cisco Press author and Pearson Education technical editor.