Boyles, Tim. CCNA security study guide (IINS exam 640-553) / Tim Boyles. - New Delhi : Wiley India, 2014, c2010. - xxxii, 516 p. : ill. ; 24 cm. + 1 CD-ROM (4 3/4 in.) "Covers all exam objectives for IINS 640-553"--Cover. Includes index. ISBN: 9788126526154 LCCN: 2010279608 Subjects--Corporate Names: Cisco Systems, Inc. Subjects--Topical Terms: Computer networks--Security measures--Examinations--Study guides.Telecommunications engineers--Certification. LC Class. No.: TK5105.59 / .B595 2010 Dewey Class. No.: 005.8076 / BOY