多选题Identify three key features of ASM.（）Afile stripingBallocation unit mirroringCautomatic disk rebalancingDautomatic file size incrementEautomatic undo management
多选题
Identify three key features of ASM.（）
A
file striping
B
allocation unit mirroring
C
automatic disk rebalancing
D
automatic file size increment
E
automatic undo management
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Identify three key features of ASM.() A. file stripingB. allocation unit mirroringC. automatic disk rebalancingD. automatic file size incrementE. automatic undo management
In which situation is the UNDO_RETENTION parameter be ignored， even if it is set to a value（）A、When the data file of the undo tablespace is autoextensibleB、When there are more than one undo tablespaces available in the databaseC、When the undo tablespace is of a fixed size and retention guarantee is not enabledD、When the undo tablespace is autoextensible and retention guarantee is not enabled
You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error： ORA-01555： snapshot too old How would you prevent such an error in the future？（）A、guarantee undo retentionB、add one more redo log groupC、size the redo log files appropriatelyD、size the UNDO tablespace appropriatelyE、size the SYSTEM tablespace appropriatelyF、configure an appropriate undo retention intervalG、change automatic undo management to manual
Identify three key features of ASM.（）A、 file stripingB、 allocation unit mirroringC、 automatic disk rebalancingD、 automatic file size incrementE、 automatic undo management
In which situation may the UNDO_RETENTION parameter be ignored， even if it is set to a value（）A、when the data file of the undo tablespace is autoextensibleB、when there are more than one undo tablespaces available in the databaseC、when the undo tablespace is of a fixed size and retention guarantee is not enabledD、when the undo tablespace is autoextensible and retention guarantee is not enabled
You are working as a DBA on the decision support system. There is a business requirement to track and store all transactions for at least three years for a few tables in the database. Automatic undo management is enabled in the database. Which configuration should you use to accomplish this task？（）A、 Enable Flashback Data Archive for the tables.B、 Specify undo retention guarantee for the database.C、 Enable supplemental logging for the database.D、 Query V$UNDOSTAT to determine the amount of undo that will be generated and create an undo tablespace for that size.E、 Create Flashback Data Archive on the tablespace on which the tables are stored.
View the Exhibit and examine the disk groups created at the time of migrating the database storage to Automatic Storage Management （ASM）. Why does the FRA disk group initially have more free space even though both DATA and FRA disk groups are provided with the same size？（）A、 Because the FRA disk group will not support dynamic rebalancingB、 Because the FRA disk group is not configured to support mirroringC、 Because disks in the FRA disk group are not formatted at this stageD、 Because the FRA disk group will support only a single size of allocation unit
You receive the following error： ORA-19804： cannot reclaim nnnnn bytes disk space from mmmmm limit Identify the reason for receiving the above error message？（）A、 The sort area is very small.B、 There is no more space in the Undo tablespace.C、 The flash recovery area is full.D、 The online redo log file is full.
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多选题Identify three key features of ASM.（）Afile stripingBallocation unit mirroringCautomatic disk rebalancingDautomatic file size incrementEautomatic undo management
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单选题View the Exhibit and examine the disk groups created at the time of migrating the database storage to Automatic Storage Management （ASM）. Why does the FRA disk group initially have more free space even though both DATA and FRA disk groups are provided with the same size？（）A Because the FRA disk group will not support dynamic rebalancingB Because the FRA disk group is not configured to support mirroringC Because disks in the FRA disk group are not formatted at this stageD Because the FRA disk group will support only a single size of allocation unit
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多选题You have a server named Server 1.Server1 runs Windows Server 2012 R2. Server1 has a thin provisioned disk named Disk1.You need to expand Disk1.Which two actions should you perform？（）AFrom File and Storage Services， extend Disk1BFrom File and Storage Services， add a physical disk to the storage poolCFrom Disk Management， extend the volumeDFrom Disk Management， delete the volume， create a new volume， and then format the volumeEFrom File and Storage Services， detach Disk1
多选题Which three pieces of information are considered while deciding the size of the undo tablespace in your database？（）Athe size of an undo blockBthe size of the redo log filesCundo blocks generated per secondDthe size of the database buffer cacheEthe value of the UNDO_RETENTION parameter
多选题Identify the three predefined server-generated alerts. （）ADrop UserBTablespace Space UsageCResumable Session SuspendedDRecovery Area Low On Free SpaceESYSTEM Tablespace Size Increment