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问题

Examine the following command used to

Examine the following command used to perform incremental level 0 backup: RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE '/mydir/ rman_change_track.f'; To perform incremental level 1 cumulative backup, you issued the following command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which two statements are true in the above situation?（）

A The block change tracking data will be used only from the next incremental 0 backup.
B The incremental backup will use change tracking data for accomplishing the backup.
C The incremental backup will not use change tracking data for accomplishing the backup.
D The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.

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分类：OCP 11G认证考试题库

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