Hallberg, Bruce A. <br/><br/>
Networking : a beginner's guide 

 - 4th ed. 
 - Emeryville, Calif. :  McGraw-Hill/Osborne,  c2005. 
 - xxiii, 447 p :  ill. ;  24 cm. 
<br/><br/> Previous ed.: 2003.  Includes index. 
<br/><br/><label>ISBN: </label>0072262125 9780072262124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Internetworking (Telecommunication)
<br/><br/><label>LC Class. No.: </label>TK5105.5 .H318 2005