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.
Answer:A
题目解答: RMAN的冗余策略是针对所以备份集而言，所以，按照保留政策要么一个备份集的副本都是过时的或没有。
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.
Answer:A
题目解答: RMAN的冗余策略是针对所以备份集而言，所以，按照保留政策要么一个备份集的副本都是过时的或没有。
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