Derfler, Frank J. <br/><br/>
How Networks Work / 
Frank J. Derfler, Jr. and Les Freed ; Illustrated by Michael Troller 
 - Seventh Edition 
 - vi, 247 pages :   colour illustrations ;   26 cm 
 - The How It Works series .
 - The how it works series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780789732323  RM102.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Local area networks (Computer networks)<br/>Telecommunications
<br/><br/><label>Dewey Class. No.: </label>004.6