An integration developer wants to use the Installation Manager to apply product updates.
Which of the following is the correct behavior of the Installation Manger regarding plug-ins?

A.
Older versions of plug-ins remain as product updates are applied.

B.
Older versions of plug-ins need to be removed using the installation manager prior to
newer product updates being applied.

C.
As product updates are applied older versions of plug-ins are automatically uninstalled.

D.
As product updates are applied older version of plug-ins must be manually uninstalled.