You are the architect of an existing project. Making changes to one component frequently
requires making changes to many other components. Which action would reduce future
maintenance costs?
A.
Redesign the configuration and deployment.
B.
Expose the existing EJB components as web services.
C.
Add an abstraction layer between the servlets and the EJB components.
D.
Convert all stateful EJB components to stateless EJB components.