对于软件、硬件的变更通常要遵守（ ），尽量避开正常业务时间和业务高峰阶段，以免影响业务的正常运转。
- A.紧急变更机制
- B.变更窗口机制
- C.标准变更机制
- D.变更审核机制
正确答案及解析
正确答案
解析
变更窗口机制：对于软件、硬件的变更通常要遵循变更窗口机制，尽量避开正常业务时间或业务高峰时段，以免影响业务的正常运行。
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