Which of the following steps are mandatory if you want to perform a transport from the development system to the production system(administration)? (2)

Which of the following steps are mandatory if you want to perform a transport from the development system to the production system(administration)? (2)
A . run a full optimization
B . select planning and consolidation objects in the BW transport collector
C . take the environment offline
D . run the transport-create request (UJBPCTR) transaction

Answer: C,D