Comer, Doughlas E. Computers networks and internets Doughlas E. Comer - Upper saddle River, N.J Pearson prentice Hall c2009 Upper saddle River, N.J Pearson prentice Hall c2009 - xxvii, 600 p. ill. 25 cm + 1 CD-ROM (4 3/4 in.) Includes bibliographical references and index1 ISBN: 9780136061274 Subjects--Topical Terms: Computer networksInternetworking (Telecommunication)