1.

Hadoop has a library class, org.apache.hadoop.mapred.lib.FieldSelectionMapReduce, that effectively allows you to process text data like the unix ______ utility.(a) Copy(b) Cut(c) Paste(d) Move

Answer» Correct option is (b) Cut

The best I can explain: The map function defined in the class treats each input key/value pair as a list of fields.


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