Head First EJB

Coffee Cram: Mock Exam Answers

1. Which are features every EJB 2.0 container must implement or support? (Choose all that apply.)

   (spec: 30)

   	A.	A GUI bean deployment utility. - it doesn’t have to be GUI
   	B.	Synchronous invocation for all bean types. - MDBs cannot be synchronous
   	C.	Transaction support for all bean types.
   	D.	Remote client views for all bean types. - MDBs do not have client views
   	E.	JNDI 1.2 namespace.

2. Which are guaranteed capabilities of EJB 2.0? (Choose all that apply.)

   	A.	Local home interfaces for message-driven beans. - MDBs don’t have clients
   	B.	Dirty detection mechanisms to reduce memory footprints. - nice, but not guaranteed
   	C.	Run-as security identity functionality.
   	D.	The JDBC 2.0 extension.
   	E.	Session bean failover. - maybe available, but not guaranteed

3. Which are features in EJB 2.0? (Choose all that apply.)

   (spec: 25-26)

   	A.	Portable finder query syntax.
   	B.	Container managed persistence.
   	C.	Local interfaces for session beans.
   	D.	XML based deployment descriptors.
   	E.	Synchronous message-driven beans. - MDBs are always asynchronous