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问题 判断题

交通警察简称“交警”，是负责维护交通安全和交通秩序，处理交通事故，进行交通安全管理工作的人民警察。( )

答案

参考答案：对

单项选择题

Open Shortest Path First(OSPF)is a (71) routing algorithm that (72) work done on theOSI IS-IS intradomain routing protocol. This routing, as compared to distance-vector routing,requires (73) processing power. The (74) algorithm is used to calculate mutes. OSPFrouting table updates only take place when necessary, (75) at regular intervals.

A．distance-vector

B．link-state

C．flow-based

D．selective flooding
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问答题 论述题

试述教师的角色冲突。
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