On which controller should the license be installed?

Centralized licensing is not in use on an Aruba based network which has a Master and three local controllers. No APs terminate on the Master controller. Roles and Firewall policies need to be created and applied, hence PEF-NG license is required.

On which controller should the license be installed?
A . Only the master controller since role and firewall policies are created here.
B . only the local controllers since firewall policies are applied here
C . the master and all three local controllers
D . this isn’t the correct license for this purpose, use PEF-VPN license
E . this is not needed because PEF-NG is part of base OS

Answer: C