OCP-1Z0-053-200题-109题-510

QUESTION 109

You executed the following command in the Recovery Manager (RMAN):

RMAN> REPORT NEED BACKUP days 3;

What is the output of this command?

A. A list of files that require a backup within 3 days

B. A list of files requiring more than 3 days of archivelogs to apply

C. A list of files that RMAN recommends be backed up only once in every three days, based on low volatility

D. A list of files for which a backup as already beenperformed in the last three days and which is required

to be backed up again based on the high number of transactions performed on them

Answer: B

同510题：http://blog.youkuaiyun.com/rlhua/article/details/12363701

此题应选B，而711题库选A，所以711题库答案错误。

Explanation/Reference:

Section: Backup, Recovery & Recovery Manager (RMAN)

http://download.oracle.com/docs/cd/B10501_01/server.920/a96566/rcmquery.htm#442383

To override the retention policy (or if you do not have a retention policy enabled), run REPORT NEED BACKUP

DAYS. Any files older than the DAYSparameter value need a new backup because their backups require the

specified number of DAYSworth of archived logs for recovery.