Thomas, Thomas M. <br/><br/>
Network security first-step / 
Tom Thomas. 
 - Indianapolis, IN :  Cisco Press,  c2004. 
 - xxi, 456 p. :  ill. ;  23 cm. 
 - First-step series .
 - First-step series. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1587200996 (pbk.) 9781587200991 (pbk.) 
<br/><br/><label>LCCN: </label>2003107987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.
<br/><br/><label>LC Class. No.: </label>TK5105.59  / .T43 2004 
<br/><br/><label>Dewey Class. No.: </label>005.8