Lewis, Wayne   <br/><br/>
Cisco networking academy program CCNP 4  network troubleshooting companion Guide 
Wayne Lewis 
 - Delhi  Pearson Education (Singapore)  2005 
 - xxii, 636p. 
<br/><br/><label>ISBN: </label>9788129710260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures
<br/><br/><label>Dewey Class. No.: </label>004.65 L589c