000			00350nam a2200145Ia 4500
005			20260205054332.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a005.8 T367N
100			_aThomas , Tom
245		0	_aNetwork Security First - Step
260			_aDelhi _bPearson _c2004
300			_a456p
690			_aData Security
942			_cBK
999			_c136798 _d136798