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When dual-controller storage is running in HA mode, only one of the two controllers is working at the same time, and the other is in which of the following states?
When dual-controller storage is running in HA mode, only one of the two controllers is working at the same time, and the other is in which of the following states?A . Waiting and synchronizationB . Synchronization and MonitoringC . MonitoringD . Waiting, synchronizing, and monitoringView AnswerAnswer: D
When using 8 2TB hard disks to build a RAID, which of the following RAID types can tolerate the largest number of failed hard disks?
When using 8 2TB hard disks to build a RAID, which of the following RAID types can tolerate the largest number of failed hard disks?A . RAID 3B . RAID TPC . RAID 5D . RAID 6View AnswerAnswer: B
Which reconstruction method is used when writing to the disk during the period when the disk is inaccessible?
Which reconstruction method is used when writing to the disk during the period when the disk is inaccessible?A . Full ReconstructionB . Local ReconstructionC . Restore and reconstructD . Local RefactoringView AnswerAnswer: C
Which of the following application solutions is not supported by LUN migration?
Which of the following application solutions is not supported by LUN migration?A . Change the RAID level of a LUNB . Change the WWN of a LUNC . Change LUN type (thick or thin)D . Change the read and write performance of a LUNView AnswerAnswer: B
Regarding Ext3 file system failure repair, which of the following statements is wrong?
Regarding Ext3 file system failure repair, which of the following statements is wrong?A . You can use the mount command to check whether the file system is mounted in a read-only state.B . For damaged file systems in the mounted state, directly execute fsck to repair themC . Do not...
Which of the following statements about Thick LUN and Thin LUN is wrong ?
Which of the following statements about Thick LUN and Thin LUN is wrong ?A . After the data in the Thin LUN is deleted, the space will be reclaimed to the storage pool.B . At the smallest granularity, Thin LUN is GrainC . At the smallest granularity, Thick LUN is...
In the DME Storage function features, which of the following options does not belong to the protection automation feature?
In the DME Storage function features, which of the following options does not belong to the protection automation feature?A . Visible copyB . Replica QuotaC . Copy CreationD . Replica EnablementView AnswerAnswer: B
In the PCIe protocol structure, which of the following options is not included in the PCIe device hierarchy?
In the PCIe protocol structure, which of the following options is not included in the PCIe device hierarchy?A . Presentation layerB . Transaction LayerC . Physical layerD . Data Link LayerView AnswerAnswer: A
Which of the following descriptions about SSD is wrong?
Which of the following descriptions about SSD is wrong?A . SSD is composed of storage units and storage chips. Its interface specifications and definitions, functions and usage methods are exactly the same as those of ordinary hard disks.B . SSD uses Flash chips as storage media, and has no data...
A company needs to make a backup strategy. The company's backup data volume is small and it hopes to back up in a short time and save storage space to the maximum extent. What type of backup do you recommend?
A company needs to make a backup strategy. The company's backup data volume is small and it hopes to back up in a short time and save storage space to the maximum extent. What type of backup do you recommend?A . Full backupB . Cumulative incremental backupC . Differential incremental...
