01489 am a2200265 4500 vtls000038807 MTX 011012s2001 a 001 0 eng d 0072322047 0039-62560 201607251837 VLOAD 201504221555 VLOAD 201211141832 VLOAD 201206060031 VLOAD 200405061745 VLOAD PBRU 621.C575 F727D Forouzan, Behrouz A. 19134 Data communications and networking / Behrouz A. Forouzan ; with Catherine Coombs and Sophia Chung Fegan 2nd ed Boston : McGraw-Hill, c2001 xxxii, 908 p. : illus ; 23 cm. Basic concepts - - The OSI model - - Signals - - Encoding and modulating - - Transmission of digital data: interfaces and modems - - Transmission media - - Multiplexing - - Error detection and correction - - Data link control - - Data link protocols - - Local area networks - - Metropolitan area networks - - Switching - - Point-to-point protocol (PPP) - - Integrated services digital network (ISDN) - - X.25 - - Frame relay - - ATM - - SONET/SDH - - Networking and internetworking devices - - Transport layer - - Upper OSI layers - - TCP/IP protocol suite: part 1 - - TCP/IP protocol suite: part 2, application layer Data transmission systems. 27544 Computer networks. 8602 Coombs, Catherine. 61177 Fegan, Sophia Chung. 19136 1 36246 36246 0 0 0 0 ENGfl4 PBRU PBRU 1005 2004-05-06 695.00 0 621.C575 F727D 1000091689 2018-06-21 00:00:00 5 2018-06-21 1 0 0 0 0 ENGfl4 PBRU PBRU 1005 2004-05-06 695.00 0 621.C575 F727D 1000091685 2018-06-21 00:00:00 1 2018-06-21 1 0 0 0 0 ENGfl4 PBRU PBRU 1005 2004-05-06 695.00 0 621.C575 F727D 1000091686 2018-06-21 00:00:00 2 2018-06-21 1 0 0 0 0 ENGfl4 PBRU PBRU 1005 2004-05-06 695.00 0 621.C575 F727D 1000091687 2018-06-21 00:00:00 3 2018-06-21 1 0 0 0 0 ENGfl4 PBRU PBRU 1005 2004-05-06 695.00 0 621.C575 F727D 1000091688 2018-06-21 00:00:00 4 2018-06-21 1