Which of the following statements is TRUE about management plug-ins?

Which of the following statements is TRUE about management plug-ins?

A.
The plug-in is a package installed on the Security Gateway.

B.
A management plug-in interacts with a Security Management Server to provide new features and support for new products.

C.
Using a plug-in offers full central management only if special licensing is applied to specific features of the plug-in.

D.
Installing a management plug-in is just like an upgrade process. (It overwrites existing components.)