What method will NOT work for enabling FireWall Control Connection in CMA?

What method will NOT work for enabling FireWall Control Connection in CMA?

A.
Create Explicit rules for control connections in Global SmartDashboard and assign Global
Policy to the CMA

B.
Select “Accept control connection” from Global Properties dialog box of the Global
SmartDashboard

C.
Create Explicit rules for control connections in CMA

D.
Select “Accept control connection” from Global Properties dialog box of the CMA
SmartDashboard

Explanation: