Derfler, Frank J. <br/><br/>
How networks work 

 - 7th ed. 
 - Noida:  Pearson,  2012. 
 - vi, 233 p. 
<br/><br/><label>ISBN: </label>9788131788165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networking
<br/><br/><label>Dewey Class. No.: </label>004.6 DER