Lammle, Todd. <br/><br/>
CCNA Cisco certified network associate study guide / 
Todd Lammle. 
 - 3rd ed. 
 - San Francisco :  Sybex,  c2002. 
 - lxiii, 780 p. :  ill. ; 
<br/><br/> "Exam 640-607"--Cover.  Includes index. 
<br/><br/><label>ISBN: </label>0782141676 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing personnel--Certification.<br/>Computer networks--Examinations--Study guides.
<br/><br/><label>LC Class. No.: </label>QA76.3  / .L348 2002b