CCENT/CCNA ICND1:  Official exam Certification Guide/  English. 
Wendell Odom. 
 - 2nd Ed. 
 - India:  Dorling Kindersley Pvt.Ltd.,  2008. 
 - xiv,641p.:  ill.;  24cm. 
<br/><br/><label>ISBN: </label>9788131715727 
<br/><br/><label>Dewey Class. No.: </label>681.14:001.8(02)  / ODO