Which of the following storage services does Huawei distributed storage (such as Huawei OceanStor100D) support? (Multiple Choice)

• A.File storage
• B.Chain storage
• C.Block storage
• D.Object storage
• E.HDFS storage

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Which of the following statement is wrong? (Multiple choice)

• A.Backup cannot solve the recovery of historical data
• B.Backup can directly take over the business
• C.Backup to solve the recovery of data loss
• D.Backup cannot solve the recovery of data damage

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Which of the following descriptions about disaster recovery is wrong?

• A.Regardless of whether disaster recovery or backup solutions are used, the data of disaster recovery is unavoidable compared with the data at the time of system failure.
• B.The restored data hope to meet the current work requirements immediately
• C.The traditional use of software for data backup still has usage scenarios
• D.After the disaster, I hope to be able to access the backup on the remote device immediately

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The capacity and volume of computer hard disks are constantly changing during the development of computer hard disks. Which of the following is the size of the mechanical hard disk used in Huawei storage products?

• A.3.5 inches
• B.1.8 inches
• C.5.25 inches
• D.8 inches

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The backup software in the backup system is called the backup server.

• A.False
• B.True

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