In the job fragment shown in the exhibit, the data going into the target Sequential File stage needs
to be sorted by postal code. The Sort stage accomplishes this by running in Sequential mode and
sorting by postal code. You have been asked to improve the performance of the job with a 4-node
configuration file.
Which two changes will improve the performance of the job? (Choose two.)

A.
Move the Sort stage in front of the Filter stage,so that the sort is performed earlier in the job.

B.
Add a second Sort stage just before the existing Sort stage; run the new stage in parallel mode
sorting by postal code.

C.
Change the mode of the existing Sort stage to parallel mode; continue to sort
by postal code. In the target Sequential File stage choose the SortMerge collector.

D.
Eliminate the existing Sort stage; define an in-stage sort in the Filter stage,sorting by postal
code. In the target Sequential File stage choose the SortMerge collector.

Explanation: