00451cam a22001094a 4500020002100000082001500021100002300036245003800059260006500097300003400162650014500196  a8120320670 (pbk)00a004.6bSTA1 aStallings, William10aData and computer communications   aNew DelhibPearson Prentice Hall of India Private Ltd.c2000  axx, 810 p.b: ill. c; 24 cm.00aComputer sciencevData communicationvComputer networksvCommunication systemsvData transmissionvTransmission mediavNetwork operationvFC