00726 a2200229 4500 0071102973 9780071102971 0072976047 9780072976045 (OCoLC)ocm64898239 DLC DLC 004.6 Carr, Houston H., Data communications and network security Houston H. Carr, Charles A. Snyder. Data communications & network security. Boston : McGraw-Hill Irwin, c2007. xxxiv, 526 p. : ill. ; 27 cm. Computer networks Security measures. Wireless communication systems Security measures. Snyder, Charles A. BK 004.6 CAR ddc 9418 9418 0 0 0 0 NFIC CL CL DACOM 2007-01-31 Pak Book Corporation 1942.38 0 004.6 CAR SEECS008082 2019-01-14 2017-01-05 BK