Lachance, Daniel CompTIA security+ certification practice exams : (exam SY0-301) / Daniel Lachance, Glen E. Clarke - New York : McGraw-Hill, c2011 - xxi, 487 p. : ill. ; 23 cm. + 1 CD-ROM (digital ; 4 3/4 in.) Includes index ISBN: 9780071771207 (pbk.) 0071771204 (pbk.) 9780071774413 (set) Subjects--Topical Terms: Electronic data processing personnel--CertificationComputer security--Examinations--Study guidesComputer networks--Security measures--Examinations--Study guides