OCP-1Z0-053-V12.02-210题

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210.The Database Resource Manager is automatically enabled in the maintenance window that runs the

Automated Maintenance Task. What is the reason for this?

A. to prevent the creation of an excessive number of scheduler job classes

B. to allow the Automated Maintenance Tasks to use system resources without any restriction

C. to allow resource sharing only among the Automated Maintenance Tasks in the maintenance window

D. to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resources

Answer: D

答案解析：

参考：http://blog.csdn.net/rlhua/article/details/13092965

自动维护任务依赖于在维护窗口期间启用的资源管理器。维护窗口打开时，会自动设置DEFAULT_MAINTENANCE_PLAN资源管理器计划，以控制自动维护任务使用的CPU 数量。

而D答案：防止自动维护任务消耗过多的系统资源，正确。