Q173
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
AnswerAnswer: Option D
Solution
Answer: Option D
No explanation is given for this question Let's Discuss on Board