000			00457nam a22001697a 4500
999			_c18558 _d18558
008			201007b xxu||||| |||| 00| 0 eng d
020			_a158720410X
050			_aTK5105.59 _b.T46 2012 c.1
100			_aThomas, Tom
245			_aNetwork Security First-Step
250			_a2nd ed.
260			_aIndianapolis _bCisco Press _c2012
300			_axxiv, 423p.
650			_aComputer networks _vsecurity measures
700			_aDonald Stoddard
942			_2lcc _cBK