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采用全双工通信方式,数据传输的方向性结构为(70)。

  • A.可以在两个方向上同时传输
  • B.只能在一个方向上传输
  • C.可以在两个方向上传榆,但不能同时进行
  • D.以上都错
试题出自试卷《软件水平考试(初级)程序员上午(基础知识)模拟试卷29》
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