题目内容

定性资料的整理要经历三个阶段：即：审查、分类和（）。

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You are working with a client to deploy QoS on their Frame Relay WAN. They would like to be able to allow packets to cross the Frame Relay WAN but have them marked as discard eligible if they exceed the QoS policy. How would you accomplish this task?（）

A. Configure a class map that sets the DE bit so that the policy map can correctly apply a violate-action if the policy is exceeded.
B. Configure a service policy that sets the DE bit and apply it to the serial interface connected to the Frame Relay WA
Configure a policy map that has a burst-max action of setting the DE bit if the policy is exceeded.
D. Configure a policy map that has a violate-action to change the DE bit from 0 to 1.

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简述引导服务的方法。

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幼儿园的教学讲究“保教合一”。

A. 正确
B. 错误

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外差式电压表测量电压时，通常需要改变被测信号的频率。

A. 正确
B. 错误

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