Data and digital communication / 
3G E-Learning 
 - New York :  3G E-Learning,   c2020. 
 - xiii, 315 pages :  color illustrations 
<br/><br/> Includes bibliography and index. 
<br/><br/><label>ISBN: </label>978-1-98463-847-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital communications.<br/>Data communications.
<br/><br/><label>Dewey Class. No.: </label>Grad. 621.382   / D574 2020