For a MapReduce job, on a cluster running MapReduce v1 (MRv1), what’s the relationship
between tasks and task templates?

A.
There are always at least as many task attempts as there are tasks.

B.
There are always at most as many tasks attempts as there are tasks.

C.
There are always exactly as many task attempts as there are tasks.

D.
The developer sets the number of task attempts on job submission.