正确答案:

题目：GB 50174-2009《电子信息系统机房设计规范》将电子信息系统机房根据使用性质，管理要求及其在经济和社会中的重要性进行了级别规划。以下关于级别划分的叙述中，正确的是( )。

解析：A

查看原题查看所有试题

学习资料的答案和解析：

[单选题]试题（59）反映Web应用客户端交易处理性能的评估指标有（59） 。

① ② ③ ④ ⑤

[单选题]● 经项目各有关干系人同意的 （58）就是项目的基准，为项目的执行、监控和变更提供了基础。（58）

项目管理计划

解析：B

[单选题]

B． 200 C． 280 D． 400

280

[单选题]For users, microkernel technology promises(90), compact and sophisticated operating systems that are typically(91)across a range of hardware platforms. These operating systems will be customizable to let users run multiple operating system and application "personalities" on top of a single microkernel(92).Microkernel based systems can provide this flexibility because the core operating system functions are(93)from the large number of utilities, features and extensions that are layered on top of them. As a result, updating and maintaining operating system is easier, since developers don't have to modify the(94)every time they must acid a new feature.

fast