What is the module used to manage the active and standby states of the Loader Server process in Loader?

• A.Job Scheduler
• B.HAManager
• C.ResourcesManager
• D.Job Manager

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In the task scheduling of YARN. Once the ApplicationMaster applies for the resource, it will communicate with the corresponding ResourceManager and ask it to start the task.

• A.False
• B.True

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Loaderf only supports data import and export between relational databases and HBase.

• A.True
• B.False

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Which module in Hadoop is responsible for HDFS data storage?

• A.JobTraoker
• B.NameNode
• C.ZooKeeper
• D.Data Node

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In the Fusioninsight HD system, HBase supports dynamic expansion of columns.

• A.True
• B.False

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