INTRODUCTION to networks  Companion guide 
Cisco Networking Academy. 
 - Indianapolis, Indiana, USA  Cisco Press,  2014. 
 - xxxii, 681 pages  illustrations (some color)  24 cm. 
<br/><br/><label>ISBN: </label>1587133164 (hardcover) 9781587133169 (hardcover) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.<br/>DCS<br/>Local area networks (Computer networks)
<br/><br/><label>LC Class. No.: </label>TK5105.5  / .I6834 2014 Suppl. 1