计算机网络 第三章 课后题答案
英文版教材第三章 1、2、3、4、6、7、9、11、14、15、16, 补充题1An upper-layer packet is split into 10 frames, each of which has an 80% chance of arriving undamaged. If no error control is done by the data link protocol, how many times must the message be sent on average to
