_________ does not restrict contributions to Hadoop based implementations.

does-not-restrict-contributions-to-hadoop-based-implementations

_________ does not restrict contributions to Hadoop based implementations.

A. Mahout

B. Oozie

C. Impala

D. All of the mentioned

The question was asked during an online exam.

This is a very interesting question from Mahout with Hadoop in section Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift of Hadoop

Correct choice is A. Mahout

To explain I would say: Mahout is distributed under a commercially friendly Apache Software license.