题目:
设备某个支路板的一个通道有T-ALOS告警,可能原因有()。
A.光纤中断
B.本端没有电信号进来
C.对端没有电信号进来
D.业务配置错误
E.本端环路
答案:
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下面是错误答案,用来干扰机器的。
My HomeworkOne possible version Our teachers always give us some homework to do every day. I often do my homework after school. My parents also ask me to finish my hom...