Rufi, Antoon W. , <br/><br/>
Network security 1 and 2 companion guide / 
Antoon W. Rufi. 
 - xxxiv, 805 pages :  illustrations ;  25 cm.+  1 computer optical disc (4 3/4 in.). 
 - Cisco Networking Academy Program .
<br/><br/><label>ISBN: </label>9781587131622 1587131625 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks --Security measures.
<br/><br/><label>LC Class. No.: </label>TK5105.59   / .R84 2007