单选

某实验室准备建立一个由20台计算机组成的局域网,为节约费用,适宜采用通用的(1)技术,采用交换机式HUB和双绞线进行组网,其网络拓扑结构为(2),HUB与微机工作站之间的最长距离为(3)米

  • A.以太网
  • B.令牌环网
  • C.双总线网络
  • D.ATM
  • A.总线型
  • B.星型
  • C.环形
  • D.混合型
  • A.185
  • B.580
  • C.10
  • D.100
参考答案
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