2023 年 11 月卷 · 第 72 题

helped invent (71), the local networking technology that links personal computers around the world to the global internet. The fundamental problem of computer networking was how to share access to a network among many users. In the early 1960s computer scientist Leonard Kleinrock showed that (72) theory could also describe the flow of data through a network. Any user whose message was lost or garbled because of a conflict would simply try again after a random time interval. In Metcalfe’s improved model, users would (73) adjust average wait times between transmission attempts, taking the frequency of (74) into account: They'd be quicker to try again if the frequency was low, and they’ d (75) if the network was crowded, making communication much more efficient overall. 【参考答案】71-75、D AD B C

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