In Fusioninsight HD, which of the following does not belong to the flow control feature of Hive? (Multiple choice)

• A.Support threshold control of the number of connections established by a specific user
• B.Support threshold control of the number of connections that each user has established
• C.Support threshold control of the number of connections established per unit time
• D.Support threshold control of the total number of established connections

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Which of the following options are included in the time operation types supported by Flink? (Multiple choice)

• A.Event time
• B.Acquisition time
• C.Processing time
• D.End time

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The reliability of flume's data transmission means that during the process of flume's data transmission, when the flume node of the next hop fails or the data is received abnormally, it can automatically switch to another way to continue transmission.

• A.False
• B.True

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The ZKFC process is deployed on the following node in HDFS?

• A.Active NameNode
• B.All of the above are wrong
• C.DataNode
• D.Standby NameNode

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When a certain task of MapReduce fails, the task can be recalculated through the retry mechanism.

• A.FALSE
• B.TRUE

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