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【单选题】
There’s not much in the way of ________ in this town – just the entertainment cinema and a couple of pubs.A.
management
B.
entertainment
C.
destination
D.
transportation
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反馈参考答案：
举一反三
【单选题】When a speaker uses transitions, it means he has completed one thought and is moving on to another. So transitions state____________.
A.
the idea the speaker is leaving
B.
the idea the speaker is coming up to
C.
Both A and B
【判断题】Transitions state both the idea the speaker is leaving and the one the speaker is coming to.
A.
正确
B.
错误
【单选题】How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
A.
All ports will temporarily transition to the learning state for a period equal to the max age timer plus the forward delay interval.
B.
All ports will transition temporarily to the learning state for a period equal to the forward delay interval.
C.
The default aging time for MAC address entries will be reduced for a period of the max age timer plus the forward delay interval.
D.
The default hello time for configuration BDPUs will be reduced for the period of the max age timer.
【简答题】[填空(1)] 是进给传动系统的变速机构。
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