Wilkins, Sean, 1975- CCNP security secure 642-637 official cert guide Sean Wilkins, Franklin H. Smith III. - New Delhi Cisco Press, Pearson Education c2012 - 637p PB - Computer . Includes index. DE eBook access via Internet. ISBN: 9780132378581 LCCN: 2011014413 Subjects--Topical Terms: Computer networks--Security measures--Examinations--Study guides.Telecommunications engineers--Certification. LC Class. No.: 005.8076 WIS C / book Dewey Class. No.: 005.8076 WIS C / book