Forouzan, Behrouz A. Data communications and networking / Behrouz A. Forouzan . - 5th ed. - New York : McGrow - Hill Education ; 2018 . - xxxviii, 122p. : ill., table ; 24 cm. Includes bibliographical references & index. ISBN: 9781259064753 Subjects--Topical Terms: Computer networks.Data transmission system . Dewey Class. No.: 004.6 FOD