3. EJB 3.0 Session Bean Component Contract & Lifecycle
Identify correct and incorrect statements or examples about implementing a session bean as a web service endpoint, including rules for writing a web service endpoint interface and use of the @WebService and @WebMethod annotations.
I can't tell about the new exam, but it doesn't hurt to know about it. It's just a matter of remembering a few annotations like @WebService, @WebMethod, ... EJB3 In Action has a small chapter on it. If you're using this book, don't skip that chapter.