Forouzan, Behrouz A. <br/><br/>
Data communications and networking / 
By Behrouz A Forouzan. 
 - 4th ed. 
 - New Delhi :  Tata McGraw Hill Publishing Company Ltd ,  2011. 
 - xxxiv,1134p. ;  PB  23 cm. 
<br/><br/><label>ISBN: </label>9780070634145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protocols and standards<br/>Network models<br/>Digital transmission<br/>Using telephone and cable networks for data transmission<br/>Data link layer
<br/><br/><label>Dewey Class. No.: </label>004.65   / FORB