What is a quick way to determine if the required TCP ports for RecoverPoint are blocked?

A.
Browse to the site management address and open Unisphere for RecoverPoint

B.
Run the Port Diagnostics test by connecting to an RPA as the admin user

C.
Run the Ports Diagnostics test by connecting to an RPA as the boxmgmt user

D.
Run the Port Diagnostics test by connecting to an RPA as the security-admin user