Point out the correct statement.
a) Mapper maps input key/value pairs to a set
of intermediate key/value pairs
b) Applications typically implement the
Mapper and Reducer interfaces to provide the
map and reduce methods
c) Mapper and Reducer interfaces form the
core of the job
d) None of the mentioned
a) Mapper maps input key/value pairs to a set
of intermediate key/value pairs
b) Applications typically implement the
Mapper and Reducer interfaces to provide the
map and reduce methods
c) Mapper and Reducer interfaces form the
core of the job
d) None of the mentioned