OCP考試第10題

阿新 • • 發佈：2018-11-23

10. Consider the following scenario(方案) for your database:

Backup optimization is enabled in RMAN. The recovery window is set to 7 days in RMAN. The most recent backup to disk for the TOOLS tablespace was taken on November 3, 2007.

開啟備份優化，RMAN保留7天，TOOLS表空間備份在2007/11/3

The TOOLS tablespace is read-only since November 4, 2007.

TOOLS表空間只讀2007/11/4

On November 23, 2007, you issue the RMAN command to back up the database to disk. Which statement is true regarding the backup of the TOOLS tablespace?

2007/11/23 RMAN備份到磁碟，哪些對的針對TOOLS表空間？

A. The RMAN backup fails because the TOOLS tablespace is read-only

B. The RMAN skips the backup of the tablespace because backup optimization is enabled

C. The RMAN makes backup because optimization can be enabled only for backups to disk

D. The RMAN makes the backup because no backup of the tablespace exists within the seven day window

知識點：

開啟自動管理備份，不會備份只讀表空間。手動執行備份，根據備份策略為保留7天，自動管理沒有備份，就會進行備份。

答案：D

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