Which tasks are part of the Business Blueprint and Data Model Definition phase in an SAP BW/4HANA project? Note: There are 3 correct answers to this question.

Which tasks are part of the Business Blueprint and Data Model Definition phase in an SAP BW/4HANA project? Note: There are 3 correct answers to this question.
A . Check the availability of data
B. Specify necessary data conversion
C. Implement transport routes and layers
D. Monitor batch jobs and data volume
E. Design the data layer concept

Answer: A,B,E