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单选

以下关于IEE802.3ae 10Gb/s以太网描述正确的是(59)。

  • A.与100BaseTx以太网帧格式完全相同
  • B.工作在全双工方式,使用CSMA/CD协议
  • C.使用双绞线和光纤作为传输媒体
  • D.具有SDH某些特性,提供SDH同步接口
试题出自试卷《软件水平考试(中级)网络工程师上午(基础知识)试题模拟试卷15》
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