000			00404nam a2200157Ia 4500
003			SGT
020			_a9789383746439
082			_a4 _bNAG
100			_aNagpal,D.P
245			_aInformation security
260			_bS.Chand & Company Ltd. _aNew Delhi _c2014
300			_a574p.
650			_aCOMPUTER SCIENCE
653			_aDATA COMMUNICATIONS, NETWORK MECHANISMS ,WIRELESS NETWORK SECURITY
942			_2ddc _cBK
999			_c5723 _d5723