Hallberg,BruceA Networking: a beginner guide / Bruce A Hallberg - 4thed - NewYork:McGraw-Hill/Osborne,c2005 - xxiii,447p:ill;24cm ISBN: 0072262125/9780072262124 Subjects--Topical Terms: Computernetworks Internetworking(Telecommunication) Dewey Class. No.: 0046HAL