Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()
第1题:
You are managing an Oracle Database 11g ASM instance with a disk group dg01 having three disks. One of the disks in the disk group becomes unavailable because of power failure. You issued the following command to change the DISK_REPAIR_TIME attribute from 3.6 hours to 5 hours:ALTER DISKGROUP dg01 SET ATTRIBUTE ‘disk_repair_time‘ = ‘5h‘;To which disks in the disk group will the new value be applicable?()
A. all disks in the disk group
B. all disks that are currently in OFFLINE mode
C. all disks that are not currently in OFFLINE mode
D. all disks in the disk group only if all of them are ONLINE
第2题:
How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has alreadycompleted?()
第3题:
A. when ASM disk goes offline
B. when one or more ASM files are dropped
C. when some disks in a disk group are offline
D. when some disks in a failure group for a disk group are rebalancing
第4题:
After executing the command alter diskgroup disk group2 drop disk dg2a; you issue the following command from the ASM instance: Select group_number, count(*) from v$asm_operation; What is the implication if the query against V$ASM_OPERATION returns zero rows?()
第5题:
What is the net effect of the following command?() alter diskgroup dgroup1 drop disk abc;
第6题:
You are managing an ASM instance. You previously issued the following statements:ALTER DISKGROUP dg1 DROP DISK disk2;ALTER DISKGROUP dg1 DROP DISK disk3;ALTER DISKGROUP dg1 DROP DISK disk5;You want to cancel the disk drops that are pending for the DG1 disk group.Which statement should you issue?()
A. ALTER DISKGROUP dg1 UNDROP disk2, disk3, disk5;
B. ALTER DISKGROUP dg1 UNDROP;
C. ALTER DISKGROUP dg1 UNDROP DISKS;
D. You cannot cancel the pending disk drops.
第7题:
Which two commands never trigger an implicit rebalancing within the disk group?() (Choose two.)
第8题:
A. ALTER DISKGROUP data CHECK;
B. ALTER DISKGROUP data CHECK DISK;
C. ALTER DISKGROUP data CHECK FILE;
D. ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1;
第9题:
You are managing an Oracle Database 11g ASM instance with a disk group dg01 having three disks. One of the disks in the disk group becomes unavailable because of power failure. You issued the following command to change the DISK_REPAIR_TIME attribute from 3.6 hours to 5 hours: ALTER DISKGROUP dg01 SET ATTRIBUTE 'disk_repair_time' = '5h'; To which disks in the disk group will the new value be applicable?()
第10题:
You are managing an ASM instance. You previously issued the following statements: ALTER DISKGROUP dg1 DROP DISK disk2; ALTER DISKGROUP dg1 DROP DISK disk3; ALTER DISKGROUP dg1 DROP DISK disk5; You want to cancel the disk drops that are pending for the DG1 disk group. Which statement should you issue?()