Which of the following operations cannot be recorded in the audit log of the Fusioninsight HD system?

• A.Delete service instance
• B.Start and stop service instance
• C.Manually eliminate the camp
• D.Query historical monitoring

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Zookeeper's scheme authentication method does not include which of the following?

• A.world
• B.sasl
• C.auth
• D.digest

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

• A.False
• B.True

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What is the default resource scheduler in YARN?

• A.Fair scheduler
• B.FIFO scheduler
• C.None of the above is correct
• D.Capacity scheduler

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Hive is a data warehouse software based on hadoopE, which can query and manage PB-level distributed dat a. Which of the following descriptions about Hive features is incorrect?( )

• A.Only supports MapReduce computing engine
• B.Flexible and convenient ETL (extract/transform/load)
• C.Easy to use and easy to program
• D.Direct access to HDFS files and HBase

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