题目内容

What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals?()

A. RSTP information is automatically aged out.
B. The port sends a TCN to the root bridge.
C. The port moves to listening state.
D. The port becomes a normal spanning tree port.

查看答案
更多问题

说出β值高、低的影响?

下列何者与食品中的微生物增殖没有太多关系()

A. 温度
B. 湿度
C. 酸度
D. 脆度

原始资料的采集方法可分为观察法、()法和调查法。

消费结果对消费主体和人类生存环境的健康危害最小即()消费。

A. “恒温消费”
B. “经济消费”
C. “安全消费”
D. “可持续消费&rdquo

答案查题题库