Which solution should the consultant implement to help improve data sync (replication) performance?

An Einstein Analytics consultant is notified of a performance issue with data sync (replication). The consultant researches the issue and determines that unnecessary data is being synced.

Which solution should the consultant implement to help improve data sync (replication) performance?
A . Modify dataflows to exclude unused fields and include a filter to extract relevant data.
B. Scale down the number of datasets to help improve data sync (replication) performance.
C. Start over again with new dataflows that exclude unused fields with a filter to extract relevant data.
D. Update the existing data sync (replication) process by removing unused fields with a filter to extract relevant data.

Answer: D