___________ generates keys of type LongWritable and values of type Text.
(a) TextOutputFormat
(b) TextInputFormat
(c) OutputInputFormat
(d) None of the mentioned
(a) TextOutputFormat
(b) TextInputFormat
(c) OutputInputFormat
(d) None of the mentioned
Correct answer is (b) TextInputFormat
For explanation I would say: If K2 and K3 are the same, you don’t need to call setMapOutputKeyClass().