Oracle OCP IZ0-053 Q543

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.
Answer: AE

來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/8520577/viewspace-2058327/，如需轉載，請註明出處，否則將追究法律責任。