Comer, Douglas E <br/><br/>
Computer networks and internets 

 - 2 
 - New Delhi  Pearson Education  1998 
 - xviii, 578p. : ill. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8178080869 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Internetworking<br/>Network security<br/>Network topologies<br/>Packet transmission