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●计算机网络按照其覆盖的地理区域大小可分为 (65) 。

(65)

  • A.广域网、校园网、接入网    &n
  • bsp;  B.广域网、城域网、局域网    
  • C.校园网、地区网、接入网    
  • D.电信网、校园网、城域网
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