ocp-449

QUESTION NO: 449
You want the ability to recovery any time within the last seven days and therefore you configured the recovery
window retention policy using the command:
RMAN> CONFIGURE RETENTIOH POLICY TO RECOVERY WINDOW OF 7 DAYS;
After configuring the recovery window, you performed the database backup as follows:
A. Backup RB1 at log sequence number 12871 on 5th Jan
B. Backup RB2 at log sequence number 15622 on 12th Jan
C. Backup RB3 at log sequence 16721 on 15th Jan
D. On 20th Jan when the log sequence number was 18112 you realize that there Is a need to a point in time
at the beginning of the recovery window. You have all archived redo log files to date.
Answer: D

你希望能够恢复过去七天内的任何时间，因此，你使用下面的命
令配置恢复窗口保留政策：
配置恢复窗口之后， 你执行以下数据库备份：

D.在1月20日，当日志序列号为18112时，你就会意识到，有必要到一个恢复窗口开始时间点。你把所有的归档重做日志文件转为日期格式。