Clarke, Glen E. CompTIA Security+ certification practice exams (exam SY0-401) / CompTIA security+ CompTIA Security+ questions, in-depth answers Glen E. Clarke and Daniel Lachance - 2nd ed. - New York : McGraw-Hill, 2014 - xxviii, 343 p. : ill. ; 23 cm. + 2 CD-ROM ISBN: 9780071833448 (pbk.) 9780071841290 (pbk.) Subjects--Topical Terms: Computer security--Examinations--Study guidesComputer networks--Security measures--Examinations--Study guidesElectronic data processing personnel--Certification