Comer.Douglas E <br/><br/>
Computer networks and internets /  
Douglas E. Comer 
 - 5th ed. 
 - Upper Saddle River, N.J . :   Pearson/Prentice Hall,  c2009. 
 - xxvii, 600 p. :  ill . ;  25 cm. + |e 1 CD-ROM (4 3/4 in.) 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780135045831 
<br/><br/><label>LC Class. No.: </label>TK 5105  / .5.C5897 2009