OCP CBT Question 570

Please solve the following question.

You want to configure RMAN to automatically delete obsolete backups that are older than 7 days, ensuring that you always have a minimum of 2 full database backups available for recovery. Which RMAN commands achieve this retention policy?

sql-- No current RMAN retention policy is configured or needs to be updated.

sqlRMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;RMAN> CONFIGURE RETENTION POLICY TO REDUNDANCY 2;

sqlRMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;

sqlRMAN> CONFIGURE RETENTION POLICY TO REDUNDANCY 2;

sqlRMAN> CONFIGURE BACKUP OPTIMIZATION ON;RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;