单选题You are managing Oracle Database 11g with an ASM storage with high redundancy. The following command was issued to drop the disks from the dga disk group after five hours:   ALTER DISKGROUP dga OFFLINE DISKS IN FAILGROUP f2 DROP AFTER 5H;   Which statement is true in this scenario?()A It starts the ASM fast mirror resync.B All the disks in the dga disk group would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.C It drops all disk paths from the dga disk group.D All the disks in the dga disk group in failure group f2 would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.

单选题
You are managing Oracle Database 11g with an ASM storage with high redundancy. The following command was issued to drop the disks from the dga disk group after five hours:   ALTER DISKGROUP dga OFFLINE DISKS IN FAILGROUP f2 DROP AFTER 5H;   Which statement is true in this scenario?()
A

 It starts the ASM fast mirror resync.

B

 All the disks in the dga disk group would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.

C

 It drops all disk paths from the dga disk group.

D

 All the disks in the dga disk group in failure group f2 would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.


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多选题You are managing an Oracle Database 11g database with the ASM storage. The database is having big file tablespaces. You want files to open faster and less memory to be used in the shared pool to manage the extent maps.  What configuration would you effect to achieve your objective?()ASet the ASM compatibility attribute for the ASM disk group to 11.1.0.BSet the RDBMS compatibility attribute for the ASM disk group to 11.1.0.CSet the COMPATIBLE initialization parameter for the ASM instance to 11.1.0.DSet the COMPATIBLE initialization parameter for the database instance to 11.1.0.

多选题You are managing an Oracle Database 11g instance and an Oracle Database 10g instance on the same machine. Both instances use the ASM instance as storage. Which statement regarding the ASM disk group compatibility attributes are true in this scenario?()AThe database-compatibility version settings for each instance must be greater than or equal to the RDBMS compatibility of all ASM disk groups used by that database instances.BRDBMS compatibility and the database version determines whether a database instance can mount the ASM disk group.CThe RDBMS compatibility settings for a disk group control the format of data structures for ASM metadata on the disk.DASM compatibility controls which features for the ASM will be enabled.

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