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单选

下列有关网络拓扑结构的叙述中,不正确的是(18)。

  • A.采用拓扑学方法抽象的网络结构称为计算机网络的拓扑结构
  • B.早期局域网中最普遍采用的拓扑结构是总线结构
  • C.星型结构的优点是建网容易,控制相对简单,其缺点是属于集中控制,对中心结点依赖性大
  • D.树型结构的线路复杂,网络管理比较困难
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