单选题Examine the following ALTER command:   SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS;   What is the purpose of the command?()AIt cancels all pending disk drops within the disk group.BIt restores disks that are being dropped as the result of a DROP DISKGROU

题目
单选题
Examine the following ALTER command:   SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS;   What is the purpose of the command?()
A

 It cancels all pending disk drops within the disk group.

B

 It restores disks that are being dropped as the result of a DROP DISKGROUP operation

C

 It mounts disks in the disk group for which the drop-disk operation has already been co pleted

D

 It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed

E

 It adds previously dropped disks back into the disk group


相似考题
更多“单选题Examine the following ALTER command:   SQL ALTER DISKGROUP dgroup1 UNDROP DISKS;   What is the purpose of the command?()A  It cancels all pending disk drops within the disk group.B  It restores disks that are being dropped as the result of a DROP DISKG”相关问题
  • 第1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?()  

    • A、 The drop disk operation is still proceeding and you cannot yet run the undrop disks operation.
    • B、 The drop disk operation is complete and you can run the undrop disks command if needed.
    • C、 The drop disk operation is complete and you cannot run the undrop disk command.
    • D、 The query will fail since there is not a V$ASM_OPERATION view available in an ASM instance. 
    • E、 None of the above is true.

    正确答案:C

  • 第2题:

    In your Automatic Storage Management (ASM) instance, one of the nonempty disk groups, DGROUP1, is no longer required and you want this disk group to be removed. You execute the following command to achieve this objective:  DROP DISKGROUP dgroup1 EXCLUDING CONTENTS;  What would be the result of this command?()

    • A、 This command would result in an error because the disk group is not empty.
    • B、 The command would distribute the contents of the specified disk group among all other disk groups and then drop the specified disk group.
    • C、 The command would result in the contents being moved to the parent disk group and dropping of the disk group.
    • D、 The command would result in the disk group being marked as INVALID because it cannot be dropped.
    • E、 The command would drop the disk group, ignoring the EXCLUDING CONTENTS option.

    正确答案:A

  • 第3题:

    Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()

    • A、It cancels all pending disk drops within the disk group.
    • B、It restores disks that are being dropped as the result of a DROP DISKGROUP operation
    • C、It mounts disks in the disk group for which the drop-disk operation has already been co pleted
    • D、It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed
    • E、It adds previously dropped disks back into the disk group

    正确答案:A

  • 第4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

    正确答案:C

  • 第5题:

    Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()

    • A、It cancels all pending disk drops within the disk group
    • B、It restores disks that are being dropped as the result of a DROP DISKGROUP operation
    • C、It mounts disks in the disk group for which the drop-disk operation has already been completed
    • D、It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed
    • E、It adds previously dropped disks back into the disk group

    正确答案:A

  • 第6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 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


    正确答案: B
    解析: 暂无解析

  • 第7题:

    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


    正确答案: B
    解析: 暂无解析

  • 第8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.


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()
    A

    It cancels all pending disk drops within the disk group

    B

    It restores disks that are being dropped as the result of a DROP DISKGROUP operation

    C

    It mounts disks in the disk group for which the drop-disk operation has already been completed

    D

    It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed

    E

    It adds previously dropped disks back into the disk group


    正确答案: E
    解析: 暂无解析

  • 第10题:

    单选题
    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?()
    A

     The drop disk operation is still proceeding and you cannot yet run the undrop disks operation.

    B

     The drop disk operation is complete and you can run the undrop disks command if needed.

    C

     The drop disk operation is complete and you cannot run the undrop disk command.

    D

     The query will fail since there is not a V$ASM_OPERATION view available in an ASM instance. 

    E

     None of the above is true.


    正确答案: E
    解析: 暂无解析

  • 第11题:

    单选题
    In your Automatic Storage Management (ASM) instance, one of the nonempty disk groups, DGROUP1, is no longer required and you want this disk group to be removed. You execute the following command to achieve this objective:  DROP DISKGROUP dgroup1 EXCLUDING CONTENTS;  What would be the result of this command?()
    A

     This command would result in an error because the disk group is not empty.

    B

     The command would distribute the contents of the specified disk group among all other disk groups and then drop the specified disk group.

    C

     The command would result in the contents being moved to the parent disk group and dropping of the disk group.

    D

     The command would result in the disk group being marked as INVALID because it cannot be dropped.

    E

     The command would drop the disk group, ignoring the EXCLUDING CONTENTS option.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Examine the following ALTER command:   SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS;   What is the purpose of the command?()
    A

     It cancels all pending disk drops within the disk group.

    B

     It restores disks that are being dropped as the result of a DROP DISKGROUP operation

    C

     It mounts disks in the disk group for which the drop-disk operation has already been co pleted

    D

     It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed

    E

     It adds previously dropped disks back into the disk group


    正确答案: E
    解析: 暂无解析

  • 第13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.

    正确答案:C

  • 第14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 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

    正确答案:C

  • 第15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.

    正确答案:B

  • 第16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 DISKGROU
    • D、 Retrieve the disk from the Recycle Bin after the operation completes.

    正确答案:A

  • 第17题:

    单选题
    Consider the following configuration:  /devices/D1is a member of disk group dgroupA.  /devices/D2is a member of disk group dgroupA.  /devices/D3is a member of disk group dgroupA.  You plan to add a new disk, /devices/D4,to the disk group dgroupA.  You execute the following command:  SQL> ALTER DISKGROUP dgroupA ADD DISK ’/devices/D*’;  Which task would be accomplished by the command?()
    A

     The command adds the new disk, D4, to the disk group.

    B

     The command would result in an error because the is no disk by the name ’/devices/D*’

    C

     The command will be ignored because disks starting with D are already members of the disk group.

    D

     The command would result in an error because no wildcard characters can be used in the disk name.

    E

     The command first detaches all the member disks starting with D, and the reattaches them including the new disk.


    正确答案: A
    解析: 暂无解析

  • 第18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 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


    正确答案: C
    解析: 暂无解析

  • 第19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 DISKGROU

    D

     Retrieve the disk from the Recycle Bin after the operation completes.


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()
    A

    It cancels all pending disk drops within the disk group.

    B

    It restores disks that are being dropped as the result of a DROP DISKGROUP operation

    C

    It mounts disks in the disk group for which the drop-disk operation has already been co pleted

    D

    It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed

    E

    It adds previously dropped disks back into the disk group


    正确答案: A
    解析: 暂无解析

  • 第21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

     The disk drop command will be suspended for a predetermined amount of time,waiting for you to also issue an alter diskgroup rebalance command. Once you have issued the rebalance command,ASM will proceed to rebalance the disk group and then drop the disk.


    正确答案: C
    解析: 暂无解析

  • 第22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

    ALTER DISKGROUP dg1 UNDROP;

    C

    ALTER DISKGROUP dg1 UNDROP DISKS;

    D

    You cannot cancel the pending disk drops.


    正确答案: C
    解析: 暂无解析

  • 第23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

     ALTER DISKGROUP dg1 UNDROP

    C

     ALTER DISKGROUP dg1 UNDROP DISKS

    D

     You cannot cancel the pending disk drops


    正确答案: B
    解析: 暂无解析

  • 第24题:

    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.


    正确答案: A
    解析: 暂无解析