In the bank's bill imaging system, structured data is often stored on the SAN array, and unstructured data is stored on the NAS array.

• A.False
• B.True

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An enterprise needs to purchase backup media for data backup. It must inherit the enterprise's original tape backup structure and strategy and increase the backup speed. What kind of backup media does this company buy?

• A.CD Tower
• B.Disk array
• C.Tape library
• D.Virtual tape library

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Smart Tier technology discovers large-scale IO active data after running. In order to improve performance, the initial capacity is set to the capacity layer.

• A.False
• B.True

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Which of the following is correct for RAID 3? (Multiple Choice)

• A.5 hard disks form RAID 3, the utilization rate is 80%
• B.5 hard disks form RAID 3, the utilization rate is 60%
• C.RAID 3 uses mirroring technology to protect data
• D.RAID 3 has a dedicated parity disk

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Regarding the characteristics of the LAN-BASED backup method, which of the following is incorrect?

• A.The backup data is based on LAN, which affects network performance
• B.The backup business needs to be maintained separately, which increases the difficulty of management and maintenance
• C.The backup agent will affect the performance of the application server
• D.The instruction flow passes through the LAN network, and the data flow does not pass through the LAN network

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