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问题 单项选择题

在IEEE 802.3、802.4与802.5三种类型局域网互联的组合中，从802.3到802.3的网桥设计只有一种情况，即 (13) 。

A．当转发的帧超过最大帧长度时，只能丢弃该帧

B．当局域网负载很重，待传送的帧在网桥中堆积，超过了缓冲区空间时，只能将帧丢弃

C．如何设置帧优先级

D．如何设置数据传输速率

答案

参考答案：D

单项选择题

The nurse at a substance abuse center answers the phone. A probation officer asks if a client is in treatment. The nurse responds, "No, the client you’re looking for isn’t here. " Which of the following statements best describes the nurse’s response

A. Correct because she didn’t give out information about the client.
B. A breech of the principle of veracity because the nurse is misleading the officer.
C. Illegal because she’s withholding information from law enforcement agents.
D. A violation of confidentiality because she informed the officer that the client wasn’t ther
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单项选择题

售后服务的内容可以包括延伸服务，改进服务和( )。

A．售中服务

B．体验服务

C．跟踪服务

D．产品服务
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