题目内容

荧光显微镜中阻断滤片的作用是()

A. 允许特定波长的激发光通过
B. 允许荧光通过并阻断紫外光
C. 使激发光增强
D. 改变荧光素的荧光效率
E. 使激发光发生折射

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You are an experienced network administrator in an international corporation. One of your clients asks you to configure a network for a financial trading center which requires multiple high-value transactions. And the transactions are very important to the client. In such a situation, which two of the following are basic and most important requirements concerning the configuration? ()(Choose two.)

A. no single point of failure
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D. deterministic response to all failure

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