Maps input key/value pairs to a set or intermediate key/value pairs. August 10, 2021August 10, 2021 administrator Maps input key/value pairs to a set or intermediate key/value pairs.MapperExcellent ! Your Answer is Correct. ReducerBoth Mapper and ReducerNone of the Option is Correct Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading...