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CCA-410 · Question #93
CCA-410 Question #93: Real Exam Question with Answer & Explanation
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Question
Where does a MapReduce job store the intermediate data output from Mappers?
Options
- AOn the underlying filesystem of the local disk machine on which the JobTracker ran.
- BIn HDFS, in the job's output directory.
- CIn HDFS, in temporary directory defined mapred.tmp.dir.
- DOn the underlying filesystem of the local disk of the machine on which the Mapper ran.
- EStores on the underlying filesystem of the local disk of the machine on which the Reducer.
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