What are the main features of the YARN capacity scheduler

• A.Capacity Guarantee
• B.Dynamically update configuration files
• C.flexibility
• D.multiple tenancy

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Which of the supervisor descriptions of Fusioninsight HD Streaming is correct?

• A.Supervisor is a process that runs specific processing logic
• B.Supervisor is a component that receives data in Topology and then performs processing
• C.Supervisort is responsible for accepting tasks assigned by Nimbus, starting and stopping Worker processes that belong to its own management
• D.Supervisor is responsible for resource allocation and task scheduling

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Which of the following options are advantages of FusioninsightSparkSQL?

• A.Stable and high performance
• B.everything aboveA. True
• C.Support data insert, update and delete
• D.long-term stability test
• E.SQL Compatibility

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The Streaming of Fusioninsight HD is developed based on the open source Apache Storm, which is a distributed offline computing framework.

• A.True
• B.False

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How is the HBaseM master elected?

• A.Randomly selected
• B.HMaster is a dual-master mode and does not need to be adjudicated
• C.Adjudicated by RegionServer
• D.Adjudication via Zookeeper

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