Which of the following about the Install Fusioninsight HD installation process is correct?

• A.LLD tool for configuration -> execute preinstalls -> install cluster -> install Manager -> check after installation -> configure after installation
• B.Install Manager->LLD tool for configuration->Execute preinstall->Install cluster->Check after installation->Configure after installation
• C.Configure with LLD tool->Execute preinstall->Install Managers->Install cluster->Check after installation->Configure after installation
• D.Install Manager->Execute preinstall->LLD tool for configuration->Install cluster->Check after installation->Configure after installation

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In the Fusionlnsight HD cluster, there are currently 300 nodes in the cluster. If the recommended deployment scheme is adopted, which partitions will definitely not exist on the control node? (Multiple choice)

• A./
• B./srv/BigData
• C./srv/Bigdata/hadoop/data5
• D./srv/Bigdata/umatnode
• E./srv/BigData/dbdata_om

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Kunpeng computing industry is a full-stack I1 infrastructure, industry applications and services built on the Kunpeng processor, including PCs, servers, storage, operating systems, middleware, virtualization, databases, cloud services, industry applications and consulting management services Wait.

• A.False
• B.True

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Which of the following statements about CarbonData in Fusioninsight are correct? (Multiple choice)

• A.The purpose of using carbon is to provide super-fast response to ad hoc queries on big data.
• B.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.
• C.carbon is a new type of Apache Hadoop local file format that uses advanced columnar storage, indexing, compression, and encoding technologies to improve computing efficiency, help speed up data queries over petabytes, and can be used for faster interaction Inquire.
• D.Carbon is also a high-performance analysis engine that integrates data sources with spark.

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In the Fusioninsight HD product, which statement about Kafka is incorrect?

• A.The number of instances deployed by Kafka must not be less than 2
• B.Kafka strongly depends on Zookeeper
• C.Kafkal server can generate messages
• D.Consumer consumes messages as the client role of Kafkal

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