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DS-200 · Question #26
DS-200 Question #26: Real Exam Question with Answer & Explanation
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Question
You have just run a MapReduce job to filter user messages to only those of a selected geographical region. The output for this job in a directory named westUsers, located just below your home directory in HDFS. Which command gathers these records into a single file on your local file system?
Options
- AHadoop fs - getmerge westUsers WestUsers.txt
- BHadoop fs - get westUsers WestUsers.txt
- CHadoop fs - cp westUsers/* westUsers.txt
- DHadoop fs - getmerge -R westUsers westUsers.txt
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