What should be in a managed bean, rather than a backing bean? (Choose the best answer.)
A.
code that manipulates the color of a text field on a JSF page
B.
data that is used to decide if a field is shown as mandatory or not
C.
data that is used on another page in the task flow
D.
code that opens a pop-up in the page
Explanation:
A typical JavaServer Faces application includes one or more backing beans, each of which is a JavaServer
Faces managed bean that is associated with the UI components used in a particular page.
https://docs.oracle.com/javaee/5/tutorial/doc/bnaqm.html