in Hadoop by

 Which of the following class provides a subset of features provided by the Unix/GNU Sort?
a) KeyFieldBased
b) KeyFieldComparator
c) KeyFieldBasedComparator
d) All of the mentioned

1 Answer

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Answer: c) KeyFieldBasedComparator
Explanation: Hadoop has a library class, KeyFieldBasedComparator, that is useful for many applications.

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