【判断题】
一个Ｃ类网段，最多可用划分128个子网
A. 对
B. 错
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答案
B
解析
暂无解析
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【判断题】
以太网技术是一项应用广泛的技术，按照不同传输速率来分，有10M、100M、1000M三类，其中10M与100M以太网的常用传输介质为双绞线，但1000M以太网由于速度过高，传输介质必须用光纤。
A. 对
B. 错
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