Lammle, Todd. <br/><br/>
CCNA :  Cisco certifired network associate, study guide / 
Todd Lammle. 
 - 6th  ed. 
 - New Delhi :  Wiley India,  2007. 
 - xxxviii, 965  p. +  1 CD-ROM. 
<br/><br/><label>ISBN: </label>126514632 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing personnel--Certification.<br/>Computer networks--Examinations--Study guides.