ocp-v13-078

QUESTION 78

You enable block change tracking. You issue the following command:

BACKUP INCREMENTAL LEVEL 0 DATABASE;

The next day, you issue the following command:

BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;

Which statement about the use of the change tracking file is true?

A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup.

B. RMAN reads the block change tracking file when it performs both incremental backups.

C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup.

D. RMAN does not read the block change tracking file when it performs either incremental backup.

Correct Answer: C

您启用块更改跟踪。你发出以下命令：

备份增量0级数据库；

第二天，你发出以下命令：

备份增量1级数据库；

关于使用更改跟踪文件的语句是否正确？

C. RMAN读取块更改跟踪文件只有当它执行1级备份的增量。