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A database instance is using an Automatic Storage Management (ASM) instance, which has a disk group, DGROUP1, created as follows: SQL> CREATE DISKGROUP dgroup1 NORMAL REDUNDANCY FAILGROUP controller1 DISK '/devices/diska1', '/devices/diska2' FAILGROUP controller2 DISK '/devices/diskb1', '/devices/diskb2' ; What happens when the whole CONTROLLER1 Failure group is damaged?（）
- A、The transactions that use the disk group will halt.
- B、The mirroring of allocation units occurs within the CONTROLLER2 failure group.
- C、The data in the CONTROLLER1 failure group is shifted to the CONTROLLER2 failure group and implicit rebalancing is triggered.
- D、The ASM does not mirror any data and newly allocated primary allocation units (AU) are stored in the CONTROLLER2 failure group.
参考答案
更多 “ A database instance is using an Automatic Storage Management (ASM) instance, which has a disk group, DGROUP1, created as follows: SQL CREATE DISKGROUP dgroup1 NORMAL REDUNDANCY FAILGROUP controller1 DISK '/devices/diska1', '/devices/diska2' FAILGROUP controller2 DISK '/devices/diskb1', '/devices/diskb2' ; What happens when the whole CONTROLLER1 Failure group is damaged?（）A、The transactions that use the disk group will halt.B、The mirroring of allocation units occurs within the CONTROLLER2 failure group.C、The data in the CONTROLLER1 failure group is shifted to the CONTROLLER2 failure group and implicit rebalancing is triggered.D、The ASM does not mirror any data and newly allocated primary allocation units (AU) are stored in the CONTROLLER2 failure group.” 相关考题
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考题
As the DBA， you run the following query on your ASM instance. What is the implication of the results of the query？（） 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 stateC、 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.
考题
A database is stored in an Automatic Storage Management (ASM) disk group, disk group, DGROUP1 with SQL: There is enough free space in the disk group for mirroring to be done. What happens if the CONTROLLER1 failure group becomes unavailable due to error of for maintenance?（）A、Transactions and queries accessing database objects contained in any tablespace stored in DGROUP1 will fall.B、Mirroring of allocation units will be done to ASM disks in the CONTROLLER2 failure group until the CONTROLLER1 for failure group is brought back online.C、The data in the CONTROLLER1 failure group is copied to the controller2 failure group and rebalancing is initiated.D、ASM does not mirror any data until the controller failure group is brought back online, and newly allocated primary allocation units (AU) are stored in the controller2 failure group, without mirroring.E、Transactions accessing database objects contained in any tablespace stored in DGROUP1 will fail but queries will succeed.
考题
You have a disk group， DGROUP1， with three disk and NORMAL redundancy. You execute the following command to create a template for the disk group： ALTER DISKGROUP dgroup1 ADD TEMPLATE my_temp ATTRIBUTES （MIRROR FINE）；Which statement is true？（）A、 When a file is created in DGROUP1 with the template， it would have three-way mirroring.B、 When a file is created in DGROUP1， the MY_TEMP template becomes the default template.C、 When a file is created in DGROUP1 with the template， it would have two-way mirroring and file striping.D、 When a file is created in DGROUP1 with the template， it would have three-way mirroring and file striping.E、 When a file is created in DGROUP1 with the template， it would have two-way mirroring but no file striping.
考题
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Which two statements are true regarding an Automatic Storage Management (ASM) instance?（） (Choosetwo.)A、As ASM instance mounts an ASM control fileB、An ASM instance uses the ASMB process for rebalancing of disks within a disk groupC、Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitlyD、An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started
考题
Which statement is true about the Manageability Monitor （MMON） background process（）A、It transfers statistics from memory to disk at regular intervals.B、It coordinates the rebalance activity for disk groups when ASM is used.C、It communicates with the Automatic Storage Management （ASM） instance on behalf of the database Instance.D、It performs dynamic memory management when Automatic Shared Memory Management is enabled for the Database instance
考题
单选题Examine the CREATE DISKGROUP command used to create a disk group: SQL CREATE DISKGROUP misc EXTERNAL REDUNDANCY DISK 'ORCL: FRA3' NAME misc1, 'ORCL: FRA4' NAME misc2; In which situation would you use this method of disk group creation?（）A
When two-way disk mirroring is required for the allocation unitsB
When three-way disk mirroring is required for the allocation unitsC
When using hardware mirroring or RAIDD
When disk mirroring is required for the Automatic Storage Management (ASM) disks
考题
单选题You have a disk group， DGROUP1， with three disks and NORMAL redundancy. You execute the following command to create a template for the disk group： ALTER DISKGROUP dgroup1 ADD TEMPLATE my_temp ATTRIBUTES （MIRROR FINE）； Which statement is true？（）A
When a file is created in DGROUP1 with the template， it would have three-way mirroring.B
When a file is created in DGROUP1， the MY_TEMP template becomes the default template.C
When a file is created in DGROUP1 with the template， it would have two-way mirroring and file striping.D
When a file is created in DGROUP1 with the template， it would have three-way mirroring and file striping.E
When a file is created in DGROUP1 with the template， it would have two-way mirroring but no file Striping.
考题
多选题Which two statements are true regarding an Automatic Storage Management (ASM) instance? （）AAs ASM instance mounts an ASM control fileBAn ASM instance uses the ASMB process for rebalancing of disks within a disk groupCAutomatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitlyDAn RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started
考题
单选题You have a disk group， DGROUP1， with three disks and NORMAL redundancy. You execute the following command to create a template for the disk group： ALTER DISKGROUP dgroup1 ADD TEMPLATE my_temp ATTRIBUTES （MIRROR FINE）; Which statement is true？（）A
When a file is created in DGROUP1 with the template， it would have threeway mirroring. B
When a file is created in DGROUP1， the MY_TEMP template becomes the default template.C
When a file is created in DGROUP1 with the template， it would have twoway mirroring and file striping.D
When a file is created in DGROUP1 with the template， it would have threeway mirroring and file striping.E
When a file is created in DGROUP1 with the template， it would have twoway mirroring but no file striping.
考题
单选题Which statement is true about the Manageability Monitor （MMON） background process（）A
It transfers statistics from memory to disk at regular intervals.B
It coordinates the rebalance activity for disk groups when ASM is used.C
It communicates with the Automatic Storage Management （ASM） instance on behalf of the database Instance.D
It performs dynamic memory management when Automatic Shared Memory Management is enabled for the Database instance
考题
单选题A database is stored in an Automatic Storage Management (ASM) disk group, disk group, DGROUP1 with SQL: There is enough free space in the disk group for mirroring to be done. What happens if the CONTROLLER1 failure group becomes unavailable due to error of for maintenance?（）A
Transactions and queries accessing database objects contained in any tablespace stored in DGROUP1 will fall.B
Mirroring of allocation units will be done to ASM disks in the CONTROLLER2 failure group until the CONTROLLER1 for failure group is brought back online.C
The data in the CONTROLLER1 failure group is copied to the controller2 failure group and rebalancing is initiated.D
ASM does not mirror any data until the controller failure group is brought back online, and newly allocated primary allocation units (AU) are stored in the controller2 failure group, without mirroring.E
Transactions accessing database objects contained in any tablespace stored in DGROUP1 will fail but queries will succeed.
考题
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.
考题
单选题Your production database uses an Automatic Storage Management （ASM） instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users？（）A
mount the new disk group in the ASM instanceB
restart the ASM instance and the production database instanceC
register the new disk groups in the production database instanceD
restart the ASM instance without restarting the production database instanceE
include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance
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