Which steps are required for data load preparation? Note: There are 3 correct answers to this question.

Which steps are required for data load preparation? Note: There are 3 correct answers to this question.
A . Determine data requirements based on scenario reviews
B. Design programs or reports required to extract data and initiate data cleansing
C. Determine if public or private cloud is required for data migration
D. Review data load templates and determine data mapping
E. Perform full data load to determine the required loading times

Answer: A,B,D