00479nam a2200121Ia 4500008004100000082001800041100002200059245003600081250000600117260005700123300000800180650016900188150614s9999    xx            000 0 und d  a004.65  GOD-D  aACHYUT S, GODBOLE  aDATA COMMUNICATION AND NETWORKS  a1  bTata Mc Graw - Hill Publishing Co. Ltd., Delhic2002  a503  aDATA COMMUNICATION AND NETWORKS  ACHYUT S GODBOLE   PROTOCOLS   MULTIPLEXING   TRANSMISSION MEDIA   SWITCHING   OSI MODEL   LAN MAN WAN   ISDN   TCP/IP   MULTIMEDIA