00542nam a2200205 a 450000500170000002000180001708200150003510000270005024500370007725000130011426000500012730000230017750000500020060000080025063000170025863000220027563000270029785600060032485600060033020251203112644.0  a9789332518865  a004.6bSTA  aStallings, William.d_  aData and computer communications  a9 th ed.  aNew DelhibPearson : Dorling Kindersleyc2014  a864 p.c24 cm.bPB  aIncludes bibliographical references and index  bc_  aData network  aComputer networks  aCommunication networks  f_  a_