Barker, Keith <br/><br/>
CCNA security 640-554 official cert guide / 
Keith Barker, CCIE No. 6783, Scott Morris, CCIE No. 4713. 
 - p647  24 cm 
<br/><br/><label>ISBN: </label>9781587204463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures--Examinations--Study guides.<br/>Computer networks--Security measures--Problems, exercises, etc.<br/>Telecommunications engineers--Certification.
<br/><br/><label>LC Class. No.: </label>TK5105.59  / .B357 2013