题目详情

采用CSMA/CD进行介质访问,两个站点连续冲突3次后再次冲突的( )。

  • A.1/2
  • B.1/4
  • C.1/8
  • D.1/16

正确答案及解析

正确答案
C
解析

本题考查的是CSMACD中退避二进制指数算法的基本原理,每冲突一次,集合的范围就增大为原来的2倍,因此连续冲突3次之后,集合中的元素就是0~7,一共8个,再次冲突的概率为1/8。

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