Switching and routing essentials v6 :  Companion Guide , 
Cisco netwrking Academy. 
 - New York :  Cisco Press,  c2017. 
 - ix, 605 p. :  ill., map ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781587134289 
<br/><br/><label>LCCN: </label>2001046810 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Routers (Computer networks)<br/>Telecommunication--Switching systems.<br/>Computer network protocols.
<br/><br/><label>LC Class. No.: </label>TK5105.543  / .T48 2002 
<br/><br/><label>Dewey Class. No.: </label>004.6  / ROS