000			00502nam a2200181Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
020			_cRS709
040			_e252363 _aMAIN
041			_aEnglish
082			_a005.8 S18N(6)
100			_aStallings, William
245		0	_aNetwork security essentials: Applications and standards
250			_a6th ed.
260			_aNoida _bPearson Education _c2019
300			_a461 p.
500			_a3371 20/12/2018 APD19/1089650 22/01/2019 Main Budget
942			_cBK
999			_c29478 _d29478