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简答题 What is the next state of initial in spanning-tree protocol?
【参考答案】
blocking
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DHCPSERVER在给一个网段设置POOL时,该网段路由器接口地址能不能放入POOL,能why,不能why。
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QoS机制中的分类,采用ip数据包中的哪个字段?
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