00354nam a2200145Ia 4500008004100000020001500041041000800056082001700064100000900081245002700090250000600117260005200123300001100175650002200186210716s2004    xx            000 0 und d  a8120325594  aeng  a621.382 NIIT  aNIIT  aCoomunication systems.  a1  aNew DelhibPrentice Hall of India PVt Ltdc2004  aix,458  aComputer Networks