Which of the following ideas and methods are correct for troubleshooting the QceanStor9000 DeviceManager server? (Multiple choice)

• A.Check if the DeviceManager process is abnormal, restart the DeviceManager process.
• B.Check if the DeviceManager process is normal, then check the CM process.
• C.Check that the CM process is normal, and then contact Huawei technical support engineers.

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Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature? (Multiple choice)

• A.Count and view users
• B.Reasonably plan users
• C.Manage and monitor users

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In the data backup application scenario, which of the following descriptions belong to the characteristics of a physical tape library? (Multiple choice)

• A.Data can be stored offline for a long time
• B.Low management and maintenance costs
• C.Low backup and recovery performance
• D.Capacity scalability is better than using a disk system

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In the file system, which scenarios will modify the metadata? (Multiple choice)

• A.Rename
• B.Create files (including soft links) or directories
• C.Delete files (including soft links) or directories
• D.Modify properties

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What are the characteristics of cross-domain unified management of data backup? (Multiple choice)

• A.Manual synchronization
• B.Fault isolation
• C.Client integration
• D.Centralized management

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