Which instance must the Loader instance be deployed with in FusionlnsightHD?

• A.RegionServer
• B.DataNode
• C.ResourceManager
• D.NodeManager

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With the continuous increase in the volume of big data, the requirements for the physical security of data storage are getting higher and higher, and higher requirements are also put forward for the multiple copies of data and disaster recovery mechanism.

• A.True
• B.False

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What services can Huawei MRS provide to customers? (Multiple choice)

• A.Offline and real-time data processing
• B.Statistical analysis and data mining
• C.Multi-node deployment
• D.Security control based on Kerberos certificate

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Which of the following statements about CarbonData in Fusioninsight is correct?

• A.cArbon uses a combination of lightweight compression and heavyweight compression to compress data, which can reduce data storage space by 60%-80% and greatly save hardware storage costs.
• B.The purpose of using carbon is to provide ultra-fast responses to ad-hoc queries on big data.
• C.arbon is a new Apache Hadoop native file format that uses advanced columnar storage, indexing, compression, and encoding techniques to improve computational efficiency to help accelerate data queries over petabytes of magnitude, and can be used for faster interactive queries.
• D.cArbon is also a high-performance analytics engine that integrates data sources with spark.

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ElasticSeArch expansion fieldKing Packageincluding whichsome?

• A.Excessive consumption of physical resources
• B.The index data of a single instance of ElasticSearch is too large
• C.The node needs to reinstall the operating system
• D.The amount of cluster data is reduced

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