00510nam a2200133Ia 4500003000400000020001800004082001300022100001900035245003400054260003900088300001000127650002200137653021700159SGT  a9788189757830  a4.6bSHA  aSharma, Sanjay  aElements of Computer networks  bS.K. Kataria & SONSaN.Delhic2011  a477p.  aCOMPUTER SCIENCE   aOSI REFERENCE MODEL AND NETWORK ARCHITECTURE, EXAMPLES OF NETWORKS, DATA TRANSMISSION AND PHYSICAL LAYER, WORLD WIDE WEB(WWW), LOCAL AREA NETWORKS, LAN INTERCONNECTING DEVICES, INTRODUCTION TO NETWORK MANAGEMENT