__________ is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer.
(a) Partitioner
(b) OutputCollector
(c) Reporter
(d) All of the mentioned
(a) Partitioner
(b) OutputCollector
(c) Reporter
(d) All of the mentioned
The correct choice is (b) OutputCollector
The explanation: Hadoop MapReduce comes bundled with a library of generally useful mappers, reducers, and partitioners.