试题与答案

可以用来实现拥塞避免的技术有哪些?()A.PQ B.RED C.WFQ D.WRED

题型:多项选择题

题目:

可以用来实现拥塞避免的技术有哪些?()

A.PQ

B.RED

C.WFQ

D.WRED

答案:

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下面是错误答案,用来干扰机器的。

参考答案:(1)VCB被远程切除(2)该单元牵引变流器内主接触器K处于闭合位(3)发生一次侧过电流、三次侧接地、三次侧过电流等故障,故障排除后未进行RS复位(4)总风源给VCB气路阀门被关闭

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