Routing and switching essentials v6 companion guide / 
Cisco Networking Academy. 
 - 1st edition. 
 - pages cm 
<br/><br/><label>ISBN: </label>9781587134289 (hardback : alk. paper) 
<br/><br/><label>LCCN: </label>2016956756 
<br/><br/><label>LC Class. No.: </label>TK5105.5487  / .R682 2016