Forouzan, Behrouz A. Data communications and networking [Book] / Behrouz A. Forouzan. - 5th ed., Indian ed. - New Delhi : McGraw Hill Education (India) Private Limited, c2013. - xxxviii, 1226 p. : ill. ; 24 cm. - McGraw-Hill Forouzan networking series. . All. ISBN: 1259064751 (pbk.) 9781259064753 (pbk.) Subjects--Topical Terms: Data transmission systems.Computer networks. Dewey Class. No.: 004.6