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Oracle 11G OCP 1Z0-053 689

原创 Oracle 作者:LuiseDalian 时间:2014-11-26 06:56:13 0 删除 编辑
(689)View the Exhibit and examine the RMAN commands.

Which statement describes the effect of a backup retention policy on the backup of a backup set?

A. Either all the copies of a backup set are obsolete or none of them are as per the retention policy.

B. The copies of the backup will be reported as obsolete under a redundancy-based backup retention policy.

C. The copies of the backup will be reported as obsolete under a recovery window-based backup retention policy.

D. All the copies of the backup set are counted as one instance of a backup and will deleted in backup set exceeds the redundancy-based backup retention policy.

答案:(A)

解析:

rman的冗余策略是针对所以的备份集而言,所以要么是所有的背景集是过时的,要么没有说备份集的其中的某一个数据文件是过时的

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