Which of the following statements about reconstruction is incorrect?

• A.Reconstruction does not interrupt system services.
• B.Reconstruction affects system performance.
• C.RAID 0,1, 5, 6, and 10 support reconstruction.
• D.Reconstruction requires hot spare disks.

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What is typical for a DAS solution?
(Multiple Choice)

• A.Sharing of files between DAS solutions is possible via the network.
• B.Consists of a server/host with its locally connected disk drives
• C.More scaleable in capacity than a SAN solution
• D.Backups are centrally made on a special backup server.

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Which of the following three disaster recovery technologies are commonly used? (Multiple choice)

• A.Disaster recovery based on application layer
• B.Disaster recovery based on the network layer
• C.Array-based disaster recovery
• D.Disaster recovery based on the host layer

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Statement 1: Multipathing is caused by adding redundant hardware.
Statement 2: Huawei offers a different version of UltraPath for different operating systems.

• A.Statement 1 is true and statement 2 is false.
• B.Statement 1 is false and statement 2 is true.
• C.Statement 1 and 2 are both true.
• D.Both statements 1 and 2 are false.

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What is wrong with the following description of DAS?

• A.DAS refers to the storage device is directly connected to the server through a SCSI cable or Fibre Channel
• B.When the server and the storage device are directly connected, new application requirements arise, only for the newly added server Separate storage device configuration, resulting in repeated investment
• C.The data in DAS mode is still scattered, and each application has a set of storage devices. Management is decentralized and cannot be centralized
• D.DAS storage space can be fully utilized, storage devices that can be shared by different application servers, fully Leverage idle storage space

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