Co-written by leading IT security experts, this new edition offers up-to-date, authoritative coverage of the CompTIA Security+ exam. CompTIA Security+ All-in-One Exam Guide, Third Edition covers all of the objectives on Exam SY0-301. Exam tips highlight actual exam topics and real-world examples reinforce key skills and on-the-job understanding. Technical discussion sidebars convey in-depth information and practice exam questions at the end of each chapter test retention and exam readiness. The CD-ROM includes more than 150 simulated practice questions in a Windows-based test engine, and an e-book. CompTIA Security+ All-in-One Exam Guide, Third Edition Provides in-depth coverage of all official objectives for Exam SY0-301 Contains hundreds of practice exam questions with in-depth explanations Includes a CD-ROM with 150+ practice exam questions and an e-book Serves as a valuable on-the-job reference after certification.