What migration strategies can be set for LUN? (Multiple Choice)

• A.Automatic migration
• B.No migration
• C.Migrate to the high-performance tier
• D.Migrate to the low-performance tier

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If the disaster recovery center in the same city fails, the production center in the cascade networking mode will lose all the backup sites.

• A.True
• B.False

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Data processing includes the following basic steps: input, processing, and output. Which of the following options belong to the processing steps? (Multiple Choice)

• A.Calculate salary based on employee attendance records
• B.Calculate the current month's sales summary based on the sales order
• C.Enter calculation data into the database
• D.Print employee's salary receipt

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A device has only one WWNN number, but it can have multiple WWPN numbers.

• A.True
• B.False

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Backup is to copy and save data or system. Once an error or disaster occurs, these backups can be used to restore system data and restore business to a normal operating state.

• A.True
• B.False

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