Regarding Simpana's global deduplication, which of the following statements is correct?

• A.Global deduplication and parallel deduplication cannot be used at the same time.
• B.You can modify the existing storage policy to global deduplication.
• C.The global deduplication strategy can be referenced by multiple deduplication strategies.
• D.When creating a sub-client, you can select global deduplication as the storage strategy.

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When planning and designing storage solutions, if customers focus on satisfying performance, which of the following aspects should be planned and designed? (Multiple choice)

• A.Number of hard drives
• B.Network bandwidth
• C.RAID level
• D.Hard disk type

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Which of the following options is wrong about the AK/SK authentication process?

• A.When the user initiates a data request, the SK and the requested content are encrypted using the IAC algorithm to generate a signature.
• B.OceanStor9000 will compare the received signature with the signature calculated by the corresponding system. If they are consistent, the authentication is passed.
• C.After OceanStor9000 retrieves the SK, it uses the MD5 algorithm to encrypt the content of Zhang and the request and generate a signature.
• D.OceanStor9000 will check SK according to AK after receiving the request and signature

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A company purchased a set of Huawei distributed storage and used QoS flow control technology to control the user's I/O when deploying block services. Which mechanism can be used to manage the I/O queue?

• A.Object bucket
• B.File bucket
• C.Token bucket
• D.Data bucket

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Huawei Scale-Out File Storage is a scale-out file storage system for massive unstructured data storage applications. Which of the following options describe the characteristics of the product? (Multiple choice)

• A.Unified namespace, unified management of all software and hardware resources in the system, and minimize the complexity of system management and maintenance
• B.Smooth expansion of multi-node Scale-out, eliminating data islands caused by multiple namespaces
• C.Adopt an asymmetric distributed architecture
• D.High-performance read and write access

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