Sam wants to create a portlet that uses a custom portlet mode that is not defined in the JSR 286
specification. After implementing the correct methods, what additional step must he do to use a
custom portlet mode?

A.
Add the custom portlet mode to the portlet deployment descriptor.

B.
Add a resource bundle to the portlet that has the name of the custom portlet mode.

C.
Configure the portlet after installation to map the custom portlet mode to the server-defined
portlet mode.

D.
Enable the specific custom portlet mode at the container level by setting the correct property in
the resource environment provider.

Explanation: