CCNP security IPS 642-629 official cert guide 
Burns, David. 
 -  Pearson Education, Inc.  2012 
 - xxxiv, 636pages 
<br/><br/>
<br/><br/><label>ISBN: </label>978-1-58714-255-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks -- security measures -- examinations -- study guides.
<br/><br/><label>Dewey Class. No.: </label>005.8076 B9671 2012