The purpose of the Communications Management Plan is to define the communication requirements for the project and how information will be distributed.
Sounds simple, but not every question is easy.
Along with the project communications management plan, work performance reports are vital inputs to the Manage Communications process. Where do these work performance reports come from?
- A. Enterprise environmental factors
- B. Project integration management process
- C. Plan Communications Management processes
- D. Organizational process assets

Correct answer is B.
Please refer to page 380 on the PMBOK guide 6th edition, Manage Communications: Data Flow Diagram