Data communications and networking /  
Forouzan,Behrouz A 
 - 4th 
 - xxxiv,1134p 
<br/><br/>Part.1: Overview (Page-1), Part.2: Physcial Layers and Media (Page- 55), Part.3: Data Link Layer (Page-265). 
<br/><br/><label>Dewey Class. No.: </label>004.6,FOR