In the MRS cluster, which of the following components does Spark mainly interact with?

• A.Zookeeper
• B.Hive
• C.HDFS
• D.Yarin

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The following descriptions about FusionInsight multi-tenant management are correct

• A.Tenant resource isolation based on container mechanism, escorting tenant SLA
• B.A multi-level tenant model that matches the organizational structure of the enterprise, different departments correspond to different tenants, and tenants can be dynamically added or deleted as needed
• C.Visual multi-level tenant management, matching with the enterprise organizational structure, simplifies system resource allocation and management
• D.One-stop management of tenant resources, computing resources (CPU/memory/IO), storage resources (HDFS), service resources (HBase....)

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The main difference between YARN-client and YARN-cluster is the difference between the Application Master process.

• A.False
• B.True

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What query types does ElasticSearch have? (multiple choice)

• A.full-text search
• B.Retrieval based on metadata
• C.Term-based search
• D.Search based on score

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