An enterprise has multiple applications such as desktop cloud, database, video-on-demand application, backup, etc., which occupies a large amount of storage resources, and plans to enable deduplication and compression. Which of the following options are recommended for configuration? (Multiple choice)

• A.It is not recommended to configure the data deduplication feature for backup scenarios, because the backup data needs to be kept intact
• B.It is recommended to configure the compression feature for database scenarios, because the amount of data that needs to be stored is large
• C.It is not recommended to configure the deduplication compression feature for video-on-demand scenarios, because the video file has been compressed by the application software, and the efficiency of re-compression is low
• D.It is recommended to configure the deduplication feature in desktop cloud scenarios, because there are more duplicate data between multiple virtual images

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The access mode of intelligent load balancing technology in Huawei distributed storage is Active-Active.

• A.False
• B.True

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During the process of the data migration in SmartMigration, the data request issued by the host I/O is synchronized to the source LUN and target LUN in real time through double writing, ensuring that the data after the migration is completely consistent. Which of the following statement about double writing is correct? (Multiple choice)

• A.Only the source and target ends can write successfully to eliminate DLC, otherwise keep DCL
• B.Double write can make the I/O request of the source LUN be issued to the local Cache and the opposite Cache at the same time, so as to ensure the data consistency of the local Cache and the opposite Cache.
• C.During the dual writing process, the source and target luns have their own DLC record data differences.

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Which of the following is the correct power-on sequence for the Huawei distributed storage system?

• A.Cabinet-->KVM--Switch--->Node
• B.Cabinet-->Node-->KVM---Switch
• C.Cabinet-->Switch-->KVM-->Node
• D.Cabinet-->Switch-->Node---KVM

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Which of the following statements about unpacking inspection is wrong?

• A.When unpacking inspection the goods, the engineering supervisor can unpack and count the goods separately
• B.If there are errors or shortages during unpacking inspection, please fill in the "Cargo Error Feedback Form" and feedback to the local office
• C.If the goods are inconsistent with the packing list, the unpacked equipment should be transferred indoors for proper storage

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