Which of the following are characteristics of change projects? Note: There are 3 correct Answers to this question.

Which of the following are characteristics of change projects? Note: There are 3 correct Answers to this question.
A . Change projects can only be created in test systems.
B . When change projects are created, a copy of the live project is created.
C . Only one active change project can exist in the system at a time.
D . Change projects can be created in production systems.
E . Multiple change projects can exist at the same time.

Answer: B,C,D