Network security essentials : applications and standards 
Network security essentials applications and standards 
 - 4th ed.  "xiv, 417 p. : ill. ; 24 cm. ; pbk." 
 - "Upper Saddle River, NJ"  Pearson Education  2013 
<br/><br/><label>ISBN: </label>9788131761755 
<br/><br/><label>Dewey Class. No.: </label>005.8 STA  / 22.005.8 STA