Forouzan, Behrouz A. Sophia Chung Fegan creator text New Delhi Tata McGraw-Hill 2007 monographic xxxiv, 1134 p. : ill. ; 24 cm Data transmission systems Computer networks Data communications Network management Digital signal Domain system Network security Switching Networking LAN ISDN HTTP FC 004.6 FOR 0070634149 (pbk) 9780070634145 (pbk)