01033nam a22001817a 4500 120126t xxu||||| |||| 00| 0 eng d HD30.335.S54 Shelly, Gary B. Business data communications : introductory concepts and techniques / Gary B. Shelly 4th Australia: Thomson; 2004. xv + various pagings : col. ill., col. maps ; 28cm. Includes index. Contents: Introduction to communication -- Fundamentals of data communications -- Communications media, servers and clients -- Communication equipment -- Data transmission -- Protocols -- Network concepts -- Wide area and metropolitan area networks -- Local area networks -- Network security -- Internet -- Communications services -- E-business applications and business data communications industry -- Addressing the challenge of living in a connected world. Data transmission systems. CASHMAN, Thomas J. SERWATKA, Judy A. lcc BK 506 8006 0 0 lcc 0 0 WIUC-1 WIUC-1 GEN 2012-01-26 0 HD30.335.S54 1197/11 2012-01-26 00:00:00 1 2012-01-26 BK 0 0 lcc 0 0 WIUC-1 WIUC-1 GEN 2012-01-26 0 HD30.335.S541 1198/11 2012-01-26 00:00:00 2 2012-01-26 BK