Oracle OCP 11g题库疑难解析――深入浅出（OCP考试必备）

lionfox117 · 发表于 2014-2-15 09:41

510.You executed the following command in 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 three days
B. a list of files requiring more than 3 days of archive logs 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 has already been performed in the last three days and which is
required to be backed up again based on the high number of transactions performed on them

正确答案：

RMAN>REPORT NEED BACKUP days 3这个命令显示的是之前三天没有备份的文件，如果在期间出了问题要恢复需要与这三天最近的归档文件来恢复。

Which two statements correctly describe the relationship among the Scheduler components: job, program,
and schedule? (Choose two)
A. A job is specified as part of a program definition
B. A program can be used in the definition of multiple jobs
C. A program and job can be specified as part of a schedule definition
D. A program and schedule can be specified as part of a job definition
正确答案：

求解答