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单选题
How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet completed？（）
A
Issue the ALTER DISKGROUP ... ADD DISK command.
B
Issue the ALTER DISKGROUP ... UNDROP DISKS command.
C
Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.
D
Retrieve the disk from the Recycle Bin after the operation completes.
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更多 “单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet completed？（）A Issue the ALTER DISKGROUP ... ADD DISK command.B Issue the ALTER DISKGROUP ... UNDROP DISKS command.C Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.D Retrieve the disk from the Recycle Bin after the operation completes.” 相关考题
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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.
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Which two commands never trigger an implicit rebalancing within the disk group?（） (Choose two.)A、ALTER DISKGROUP misc MOUNT;B、ALTER DISKGROUP misc DROP DISK misc2;C、ALTER DISKGROUP misc CHECK ALL NOREPAIR;D、ALTER DISKGROUP misc RESIZE ALL SIZE 1023m;E、ALTER DISKGROUP dgroupA ADD DISK '/devices/A*';
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Which two commands never trigger an implicit rebalancing within the disk group?（）A、ALTER DISKGROUP misc MOUNT;B、ALTER DISKGROUP misc DROP DISK misc2;C、ALTER DISKGROUP misc CHECK ALL NOREPAIR;D、ALTER DISKGROUP misc RESIZE ALL SIZE 1023m;E、ALTER DISKGROUP dgroupA ADD DISK '/devices/A*';
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You want to perform the following operations for the DATA ASM disk group： -Verify the consistency of the disk. -Cross-check all the file extent maps and allocation tables for consistency. check whether the alias metadata directory and file directory are linked correctly. -Check that ASM metadata directories do not have unreachable allocated blocks. Which command accomplishes these tasks（）？A、 ALTER DISKGROUP data CHECKB、 ALTER DISKGROUP data CHECK DISKC、 ALTER DISKGROUP data CHECK FILED、 ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1
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How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has already completed？（） A、 Issue the ALTER DISKGROUP ... ADD DISK command.B、 Issue the ALTER DISKGROUP ... UNDROP DISKS command.P.... DROP DISK CANCEL command.C、 Issue the ALTER DISKGROUD、 Retrieve the disk from the Recycle Bin after the operation completes.
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Which two commands never trigger an implicit rebalancing within the disk group？（） A、 ALTER DISKGROUP misc MOUNTB、 ALTER DISKGROUP misc DROP DISK misc2C、 ALTER DISKGROUP misc CHECK ALL NOREPAIRD、 ALTER DISKGROUP misc RESIZE ALL SIZE 1023mE、 ALTER DISKGROUP dgroupA ADD DISK ’/devices/A*’
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You issued the following command to mount the DATA disk group in restricted mode： ALTER DISKGROUP data MOUNT RESTRICT； What is the implication of this command？（）A、 The client RDBMS instance can access the file as a read-only file.B、 A new disk cannot be added to a disk group.C、 A disk in a disk group can be taken offline.D、 The client RDBMS instance cannot access the files in the disk group.
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单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has alreadycompleted?（）A
Issue the ALTER DISKGROUP ... ADD DISK command.B
Issue the ALTER DISKGROUP ... UNDROP DISKS command.C
Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.D
Retrieve the disk from the Recycle Bin after the operation completes
考题
单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has already completed？（）A
Issue the ALTER DISKGROUP ... ADD DISK command.B
Issue the ALTER DISKGROUP ... UNDROP DISKS command.P.... DROP DISK CANCEL command.C
Issue the ALTER DISKGROUD
Retrieve the disk from the Recycle Bin after the operation completes.
考题
单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yetcompleted?（）A
Issue the ALTER DISKGROUP ... ADD DISK command.B
Issue the ALTER DISKGROUP ... UNDROP DISKS command.C
Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.D
Retrieve the disk from the Recycle Bin after the operation completes.
考题
单选题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
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ALTER DISKGROUP dg1 UNDROP DISKS;D
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考题
单选题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，disk5B
ALTER DISKGROUP dg1 UNDROPC
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单选题You issued the following command to mount the DATA disk group in restricted mode： ALTER DISKGROUP data MOUNT RESTRICT； What is the implication of this command？（）A
The client RDBMS instance can access the file as a read-only file.B
A new disk cannot be added to a disk group.C
A disk in a disk group can be taken offline.D
The client RDBMS instance cannot access the files in the disk group.
考题
单选题You want to perform the following operations for the DATA ASM disk group： -Verify the consistency of the disk. -Cross-check all the file extent maps and allocation tables for consistency. check whether the alias metadata directory and file directory are linked correctly. -Check that ASM metadata directories do not have unreachable allocated blocks. Which command accomplishes these tasks（）？A
ALTER DISKGROUP data CHECKB
ALTER DISKGROUP data CHECK DISKC
ALTER DISKGROUP data CHECK FILED
ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1
考题
单选题Examine the following command： ALTER DISKGROUP data MOUNT FORCE； In which scenario can you use the above command to mount the disk group？（）A
when ASM disk goes offlineB
when one or more ASM files are droppedC
when some disks in a disk group are offlineD
when some disks in a failure group for a disk group are rebalancing
考题
单选题Examine the following command: ALTER DISKGROUP data MOUNT FORCE; In which scenario can you use the above command to mount the disk group? （）A
when ASM disk goes offlineB
when one or more ASM files are droppedC
when some disks in a disk group are offlineD
when some disks in a failure group for a disk group are rebalancing
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单选题You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up. What command would you use？（）A
alter tablespace MY_DATA begin backupB
alter tablespace MY_DATA start backupC
alter tablespace MY_DATA backup beginD
alter MY_DATA begin backupE
You cannot back up individual tablespaces
考题
单选题What is the net effect of the following command？（） alter diskgroup dgroup1 drop disk abc；A
The disk ABC will be dropped from the disk group. Since you did not issue a rebalance command，the data on that disk will be lost.B
The command will raise an error indicating that you need to rebalance the disk group to remove the data from that disk prior to dropping the disk.C
The disk group will be automatically rebalanced during the drop operation. Once the rebalancing is complete，the disk will be dropped.D
This command will fail because you cannot drop a specific disk in an ASM disk group.E
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