00504    a2200181   4500003000600000005001700006008004100023020001800064040002000082100002500102245004100127250000800168260003400176300004200210500001800252650002200270650003000292GCWUF20260813102717.0180706b        xxu||||| |||| 00| 0 eng d  a9781259064753  aMAINbENGcMAIN  aForouzan, Behrouz A.  aData Communications and Networking /  a5th  bMc Graw Hill,c2013.aIndia :  axxxvii, 1226p . :bill;c24 cm.fP.B.  aInclude Index  aComputer networks  vData transmission systems