00654nam a2200193 a 4500999001500000020002700015020003000042082001300072100002000085245003400105260005700139300001200196650002100208650002400229650002100253856007000274942000700344952010900351  c3954d3954  a8189757423 (paperback)  a9788189757427 (paperback)  a004.6SHA1 aSharma, Sanjay.10aData Communication Networks /  aNew DelhibS. K. Kataria & Sons (Publishers),c2011.  a578p. ;  aComputer Science  aData Communications  aInternet working40uhttp://www.amazon.com/exec/obidos/ASIN/8189757423/chopaconline-20  cBK  001040708REFaREFbREFd2014-05-22g649.00l0o004.6SHA (Shelf - 04D)p44861r2014-05-22 00:00:00yBK