00508nam a22001457a 4500 9780071772297 (hb) 005.8 WAL Walker, Matt CEH certified ethical hacker exam guide New York McGraw-Hill Companies 2012 xxii, 391 p. : ill. ; 24 cm. Includes index. Computer security-Examinations Computer networks-Examinations Cryptography Social engineering Wireless network Hackers Trojans RISE BK 0 0 0 0 EVC EVC 2013-06-12 Purchased: Amazone.Com 2600.00 14 2 005.8 WAL 7262 2020-03-27 2020-03-13 00:00:00 2020-03-13 1 2019-02-21 BK 9044 9044