Forouzan, Behrouz A. Data communications and networking / Behrouz A. Forouzan with Sophia Chung Fegan. - 3rd ed. - Dubuque, Iowa : McGraw-Hill Higher Education, c2004. - xxxiv, 973 p. : ill. ; 24 cm. - McGraw-Hill Forouzan networking series . Includes index. ISBN: 0072515844 (alk. paper) LCCN: 2003011267 Subjects--Topical Terms: Data transmission systems.Computer networks. LC Class. No.: TK5105 / .F6617 2004 Dewey Class. No.: 004.6