問題詳情
60. 将多台PC机组成以太局域网时，需要一些连接设备和传输介质。下面哪个设备或介质是不需要用到的？
(A)网卡
(B)集线器
(C)网线和接头
(D)调制解调器
(A)网卡
(B)集线器
(C)网线和接头
(D)调制解调器
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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