000			00660nam a22001817a 4500
999			_c57992 _d57992
020			_a9781292154855 (pbk)
020			_a9780134527338 -USA
020			_a1292154855
082			_a005.8 _bSTA
100			_aStallings, William
245			_aNetwork security essentials _bapplications and standards
260			_aEngland _bPearson Education Limited _c2017
300			_a461 p. _b: ill. _c; 23 cm.
500			_aIncludes appendices, bibliographical references and credits, and index.
650			_aComputer networks _vComputer security _vSecurity system _vElectronic mail _vCloud security _vCryptography _vIP security _vFirewall _vFC
942			_cBK