01079    a2200181   4500003000500000005001700005020001500022040000900037082001400046100002900060245004300089260003500132300001400167505055300181942002300734999001900757952012100776Nust20220728123609.0  a8120311183  cNust  a004.6,GUP  aGupta.C,Prakash C995623  aData Communications / cpraksh C Gupta  aNew DelhibPrentice Hallc1996  axiii,475p  aData Communication Concepts and Terminology (Page-1), Transmission Media (Page-21), Modems and Data Multiplexers (Page-73), Error Control (Page-122), References Models for Open Systems Interconnection (Page-143), The Physical Layer (Page-165), The Data Link Layer (Page-195), HDLC High Level Data Link Control (Page-227), The Network Layer (Page-253), CCITT X.25 Interface (Page-286), Local Area  Networks (Page-324), Media Access Control in local Area Networks (Page-342), Internetworking (Page-369), The Transport and Upper OSI Layers (Page-399).  2ddccBKk004.6,GUP  c176344d176344  00102ddc4070aMCSbMCScGENd2016-12-12o004.6,GUPpMCS28102r2016-12-08w2016-12-12yBKzAlmirah No.2, Self No.6