多选题What are three benefits of using ASM？（）AEase of disk administration and maintenanceBLoad balancing across physical disksCSoftware RAID-1 data redundancy with double or triple mirrorsDAutomatic recovery of failed disks
多选题
What are three benefits of using ASM？（）
A
Ease of disk administration and maintenance
B
Load balancing across physical disks
C
Software RAID-1 data redundancy with double or triple mirrors
D
Automatic recovery of failed disks
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You are an Oracle DBA responsible for an ASM instance. The disk controller on your system fails. You suspect that the disk itself is okay. You know it will take 24 hours to replace the controller and you don’t want to have to rebuild the disks from scratch. What do you do？（） A、 Take the whole disk group offline and wait for the controller card to be installed. Once it’s installed，bring the disk group online again.B、 Change the ASM parameter ASM_PREFERRED_READ_FAILURE_GROUPS to indicate that you want to read from the non-failed disk. Once the disk controller is replaced，reset the parameter to its original value.C、 You have no choice but to rebuild the disk. Drop the disk from the disk group and wait for the controller to be replaced. Once the controller is replaced， add the disk back into the disk group and allow ASM to rebuild it.D、 If you are using any setting other than REDUNDANCY EXTERNAL for your disk group，you will have to recover any data on that disk from a backup. The database will be unavailable until you can correct the problem and perform recovery.E、 Change the attribute DISK_REPAIR_TIME on the disk group to a time greater than 24 hours.
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单选题Which of the following is a benefit of ASM fast disk resync?（）AFailed disks are taken offline immediately but are not dropped.BDisk data is never lost.CBy default, the failed disk is not dropped from the disk group ever, protecting you from loss of that disk.DThe failed disk is automatically reformatted and then resynchronized to speed up the recovery process.EHot spare disks are automatically configured and added to the disk group.
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多选题What are three benefits of using ASM？（）AEase of disk administration and maintenanceBLoad balancing across physical disksCSoftware RAID-1 data redundancy with double or triple mirrorsDAutomatic recovery of failed disks
多选题Which two are the uses of the ASM metadata backup and restore （AMBR） feature？（）AIt can be used to back up all data on ASM disks.BIt can be used to recover the damaged ASM disk group along with the data.CIt can be used to gather information about a preexisting ASM disk group with disk paths，disk name，failure groups，attributes templates，and alias directory structure.DIt can be used to re-create the ASM disk group with its attributes.
多选题In which situations will the ASM metadata backup help you recover the ASM disk in a disk group？（）Awhen one or more file directory paths are accidentally deleted from an ASM disk groupBwhen one of the disks in a disk group is accidentaly unpluggedCwhen the data file on an ASM disk group gets corruptedDwhen one or more disks in an ASM disk group are lost
多选题You plan to use the In Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format. Which three storage options support the use of HCC?（）AASM disk groups with ASM disks consisting of Exadata Grid Disks.BASM disk groups with ASM disks consisting of LUNS on any Storage Area Network arrayCASM disk groups with ASM disks consisting of any zero padded NFS-mounted filesDDatabase files stored in ZFS and accessed using conventional NFS mounts.EDatabase files stored in ZFS and accessed using the Oracle Direct NFS featureFDatabase files stored in any file system and accessed using the Oracle Direct NFS featureGASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays
单选题You are the Database Administrator for WonderWeb， which has recently acquired a media company TXGlobal. You have been assigned the task to migrate all the database applications of TXGlobal to the database server of WonderWeb. To accommodate more database applications， you need to add disks to the existing disk group. Whenever you add or remove disks from the disk group， Automatic Storage Management （ASM） rebalancing distributes the data evenly across all the disks of the disk group. Which background process performs this actual rebalancing activity， resulting in the movement of data extents in the disk groups？（）A ASMBB ARBnC RBAL in the ASM instanceD RBAL in the database instance
多选题You are managing an Oracle Database 11g ASM instance having three disks in a disk group with ASM compatibility attribute set to 11.1.0 and redundancy set to high. One of the disks in the disk group becomes unavailable because of power failure. Which statements will be true in this scenario？（）AThe disk is immediately dropped from the disk group.BThe ASM tracks the extents that are modified during the outaCThe ASM migrates the extents from the unavailable disk to the remaining disks.DThe disk automatically goes offline.
多选题What are three benefits of using chassis clustering？（）AProvides stateful session failover for sessions.BIncreases security capabilities for IPsec sessions.CProvides active-passive control and data plane redundancy.DEnables automated fast-reroute capabilities.ESynchronizes configuration files and session state