20160104 ocp 053 20-110
22.which two statements are true about encrypting rman backup?
a.the transparent encryption of backups uses the encryption wallet
c.the password encryption is configured only uses the password while create and restoring backup
74.for which two situations would you use functionality provided by the resource manager?
a.settting idle timeout limits on resource plans
资源计划设置空闲超时限制
d.assigning priorities to jobs to manage access to system resource
分配优先级作业管理系统资源的访问
83.you enable block change tracking.you issue the following command;
backup incremental level 0 database;
the next day ,you issue the following cumulative database
backup incremental level 1 cumulative database
which statement about the use of the change tracking file is true
c.rman reads the block change tracking file only when it performs the incremental level 1 backup
只有同级之间的增量累积备份才有完全不一样更改过的块
107.ASM_POWER_LIMIT控制重新平衡操作的速度。值的范围从1 到11，11 表示最快。如果省略，该值默认为1
110.which two statements are true regarding an automatic storage management instance?
c.automatic memory management is enabled in an asm instance even when the memory_target is not set explicitly
d.an rdbms instance gets connected to an asm instance using asmb as a backguond process when the database instance is started