TY - BOOK AU - Forouzan,Behrouz A. TI - Data communications and networking SN - 9781259064753 (pbk) U1 - 004.6 PY - 2014/// CY - New Delhi PB - Tata McGraw-Hill KW - Data transmission systems KW - Computer networks KW - Data communications KW - Computer science KW - Network management KW - Physical layer KW - Digital signal KW - Domain system KW - Network security KW - Internet protocol KW - Switching KW - Networking KW - ISDN KW - FC N1 - Includes glossary appendix, bibliographical refences and index ER -