HDFSSupport through the followingwhich visitsway to visitAsk for data?

• A.Shall
• B.JAVA API
• C.HIIP
• D.S3

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If there are only Default, QueueA and QueueB sub-queues in the YARNU group, then their capacity is allowed to be set to 60%, 25%, and 22% respectively.

• A.True
• B.False

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In Huawei's big data solution b, which of the following components are included in the bottom layer of hadoop?

• A.fink
• B.miner
• C.hive
• D.spark

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Which of the following options is correct for the description of Compactiong?

• A.Minor trigger frequency is higher than Major
• B.There are two types of Minor and Major
• C.Compation reduces the number of HFile files by merging files
  CCompation reduces the number of HFile files by eliminating expired data files

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F1ink is a unified computing framework that combines batch processing and stream processing. Its core is a stream data processing engine for data distribution and parallel computing.

• A.False
• B.True

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