CCD-410 practice - PrepKeys

Q5 Single choice

Which process describes the lifecycle of a Mapper?

A
The JobTracker calls the TaskTracker's configure () method, then its map () method and finally its
close () method.
B
The TaskTracker spawns a new Mapper to process all records in a single input split.
C
The TaskTracker spawns a new Mapper to process each key-value pair.
D
The JobTracker spawns a new Mapper to process all records in a single file.