Barker, Keith. <br/><br/>
CCNA Security 640-554 official cert guide  [electronic resource] / 
 CCNA Security 640-554 official certification guide  Cisco Certified Network Associate Security 640-554 official cert guide 
Keith Barker, Scott Morris. 
 - Indianapolis, Ind. :  Cisco Press,  c2013. 
 - 1 online resource (1 v.) :  ill. 
<br/><br/> "The 640-554 Implementing Cisco IOS network security (IINSv2) exam is required for the CCNA Security certification"--P. 18. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Source: </label>CL0500000150  Safari Books Online 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing personnel--Certification--Study guides.<br/>Computer networks--Security measures--Examinations--Study guides.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.