Which of the following utilities allows you to create and run MapReduce jobs with any executable
or script as the mapper and/or the reducer?
A.
Oozie
B.
Sqoop
C.
Flume
D.
Hadoop Streaming
Explanation:
Hadoop streaming is a utility that comes with the Hadoop distribution. The utility
allows you to create and run Map/Reduce jobs with any executable or script as the mapper and/or
the reducer.
Reference:http://hadoop.apache.org/common/docs/r0.20.1/streaming.html(Hadoop
Streaming,second sentence)