Forouzan, Behrouz A. <br/><br/>
Data communications and networking  
Behrouz A. Forouzan with Sophia Chung Fegan. 
 - 4th ed. 
 - New Delhi :  McGraw-Hill Companies,  c2007. 
 - xxxiv, 1134 p. :  ill. ;  24 cm. 
 - McGraw-Hill Forouzan networking series .
<br/><br/><label>ISBN: </label>0070634149 9780070634145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>004.6