（543）As the DBA, you run the following query on your ASM instance.

What is the implication of the results of the query?(Choose two.)

SQL>select group_number,name,state from v$ASM_DISKGROUP;

GROUP_NUMBER NAME STATE

0 DGROUP1 DISMOUNTED

2 DGROUP2 MOUNTED

3 DGROUP3 MOUNTED

A. The DGROUP1 disk group was unmounted by another DBA.

B. A datafile has been lost,causing the ASM disk group DGROUP1 to go into the DISMOUNTED state

C. One of the redundant disks(DGROUP1)has been lost in a disk group.

D. This query has no meaning in an ASM instance.

E. A disk associated with a disk group was discovered after the ASM instance initially opened.

答案：（A、E）

ITPub博客

Oracle 11G OCP 1Z0-053 543