HyperSnap supports incremental synchronization.

• A.Yes
• B.No

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Which is the correct formula for calculating the file system backup bandwidth?

• A.If replication is not required, the formula is as follows: Required bandwidth (with deduplication at the media end) = Data amount of full backup + Deduplication ratio / Backup window / Bandwidth utilization rate.
• B.If replication is required, the formula is as follows: Required bandwidth (with deduplication) = Amount of data to be replicated / Backup window / Bandwidth utilization rate.
• C.If replication is not required, the formula is as follows: Required bandwidth (without deduplication) = Data amount of full backup / Backup window / Bandwidth utilization rate.
• D.If replication is not required, the formula is as follows: Required bandwidth (with client deduplication) = Data amount of full backup / Backup window / Bandwidth utilization rate.

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What type of LUN is compatible with SmartErase?

• A.Thin LUN
• B.Thick LUN
• C.Mirror LUN
• D.Snapshot LUN

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In the feature of Huawei Oceanstor 9000 InfoReplicator.
Pair is a data replication relationship that describes the source and destination of data replication. What are the following statements are incorrect about the state transition of the pair? (Multiple choice)

• A.When the InfoReplicator configuration is destroyed, the status of Pair becomes "Invalid"
• B.In the case of Pair failure, its status includes recovery, invalidation, synchronization, split
• C.When the abnormal link recovers and the recovery strategy is manual, the status of the Pair will be migrated to "synchronizing"

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Huawei Distributed Storage Object Service provides finely controlled Qos capabilities, and provides tenant and bucket-level TPS and bandwidth granular service quality control. What operations can be precisely controlled? (Multiple choice)

• A.GET
• B.DELETE
• C.LIST
• D.PUT

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