An enterprise plans to purchase a set of storage equipment, and its business has different requirements for storage performance. Which of the following description is wrong when performing hard disk selection, planning and design?

• A.The capacity layer adopts SATA HDD hard disk
• B.It is recommended to use SS hard disks for the high-performance tier
• C.The performance layer uses SAS hard drives
• D.Enterprises have different requirements for storage performance. Considering the cost, it is recommended to use tiered storage

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An enterprise needs to continuously protect its important business data, and needs to perform different operations on LUN data without affecting the business, such as report generation, data testing, data analysis, etc.
Which of the following characteristics can meet the requirements of the enterprise?

• A.HyperLock
• B.SmartVirtualization
• C.SmartCache
• D.HyperCDP

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What are the advantages of Huawei's scale-out file storage over traditional NAS storage systems? (Multiple choice)

• A.Multi-node cluster, load balancing, global cache, provide strong performance
• B.Scalable scale-out engine architecture
• C.The engine cluster is followed by SAN storage, and the SAN storage can be heterogeneous storage
• D.Fast failover, the failure of a single node in the cluster does not affect the business

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Regarding the Huawei Distributed Storage Intelligent Load Balancing, which of the following description is incorrect?

• A.Load balancing strategy can be based on: CPU, memory, bandwidth, number of network connections, node capacity value.
• B.When automatic load balancing is performed between all nodes, only performance load balancing is supported, and capacity load balancing is not supported.
• C.Load balancing service support: polling method, CPU usage rate, number of node connections.
• D.Nodes can be classified as required. For each partition, the load balancing system supports the configuration of independent load policies and independent access domain names.

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In Huawei Oceanstor 9000, which of the following does not belong to the rectification method supported by NFS sharing?

• A.Client IP address
• B.NIS authentication
• C.Local user authentication
• D.LDAP authentication

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