Empson, Scott. , <br/><br/>
CCNA portable command guide / 
Scott Empson. 
 - 2nd ed. 
 - xxv, 356 pages :  illustrations ;  23 cm. 
 - Certification self-study product family .
<br/><br/><label>ISBN: </label>9781587201936 1587201933 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks --Examinations --Study guides.<br/>Internetworking (Telecommunication) --Examinations --Study guides.<br/>Electronic data processing personnel --Certification.
<br/><br/><label>LC Class. No.: </label>TK5105.5   / .E46 2008