Loader only supports the data import guide between relational database and HBase.

• A.False
• B.True

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The emergence of HFS solves the need to store a large number of small files (below 10MB) in HDFS. At the same time, it is necessary to store some mixed scenes of large files (above 10MB)

• A.True
• B.False

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Flume supports monitoring and transferring new files under the directory, which can realize data transfer. What kind of source is described of the following?

• A.http source
• B.spooling directory source
• C.syslog source
• D.exec source

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What modules does the Spark framework include? (Multiple choice)

• A.Spark Mllib
• B.Spark Streaming
• C.Spark GraphX
• D.Spark SQL

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Zookeeper enhancements include adding ephemeral nodes to audit logsDeleted audit logs.

• A.False
• B.True

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