Which of the following statements about the backup domain of the OceanStor Backup Solution are incorrect?

• A.One or more iDataAgent components can be in a backup domain.
• B.One or more can be installed in a backup domain.
• C.One or more MediaAgent components can be installed in a backup domain.
• D.One or more CommServe backup management nodes can be installed in a backup domain.

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In the big data era, all industries face challenges in processing.
Which are challenges faced by the public security and criminal investigation fields? (Multiple Choice)

• A.It takes a long time to manually view numerous videos.
• B.Data is distributed, making data sharing difficult.
• C.A variety of image forma& decrease the query efficiency.
• D.Poor real-time analysis capability decreases the efficiency in solving a criminal case.

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Before deploying the Huawei dual-active solution, what information about the customer's current network needs to be collected? (Multiple choice)

• A.Data volume
• B.Network information
• C.Business system
• D.Physical environment information

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Company A plans to adopt hyper-convergence to realize the rapidly changing information needs of the enterprise. Which of the following items are the architectural features of hyper-convergence?

• A.Data-centric Scale-Up architecture
• B.Data-centric Scale-Out architecture
• C.Business-centric Scale-Out architecture
• D.Computing-centric Scale-Up architecture

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Regarding Huawei's hybrid flash storage block service features, which of the following statements are correct? (Multiple choice)

• A.HyperReplication: disaster recovery protection between data centers
• B.SmartMigration: incremental local data protection
• C.HhyperCopy: Data protection between devices
• D.HyperSnap: Local data protection for complete copies

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