Introduction to data communication and networks. 

 - xii, 299 pages :   color illustrations ;   26 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/>Overview of data communication networks -- Physical layer -- Data link protocols -- Local area networks -- Transport and network layers -- Application layer services -- Network security.  
<br/><br/><label>ISBN: </label>9781984678898 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems. <br/>Computer networks.<br/>Communication networks.
<br/><br/><label>LC Class. No.: </label>TK5105 
<br/><br/><label>Dewey Class. No.: </label>004.6  / In891