Which two statements are true with respect to the maintenance window? （）<br>A:A DBA can enable or disable an individual task in all maintenance windows.<br>B:A DBA cannot change the duration of the maintenance window after it is created.<br>C:In case of a long maintenance window, all Automated Maintenance Tasks are restarted every four hours.<br>D:A DBA can control the percentage of the resource allocated to the Automated Maintenance Tasks in each window.

Which two statements are true with respect to the maintenance window? （）
A:A DBA can enable or disable an individual task in all maintenance windows.
B:A DBA cannot change the duration of the maintenance window after it is created.
C:In case of a long maintenance window, all Automated Maintenance Tasks are restarted every four hours.
D:A DBA can control the percentage of the resource allocated to the Automated Maintenance Tasks in each window.

出自：Oracle认证

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