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CCA-500 · Question #38
CCA-500 Question #38: 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 is in a directory named westUsers, located just below your home directory in HDFS. Which command gathers these into a single file on your local file system?
Options
- AHadoop fs -getmerge -R westUsers.txt
- BHadoop fs -getemerge westUsers westUsers.txt
- CHadoop fs -cp westUsers/* westUsers.txt
- DHadoop fs -get westUsers westUsers.txt
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