which two must be true?

The Squeaky Beans Inc. shopping application was initially developed for a non-distributed
environment. The company recently purchased the Acme Application Server, which supports
distributed Httpsession objects. When deploying the application to the server, the doployer marks
it as distributable in the web application deployment descriptor to take advantage of this feature.
Given this scenario, which two must be true? (Choose two)

A.
The J2EE web container must support migration of objects that implement serializable.

B.
The J2EE web container must use the native JVM Serialization mechanism for distributing
HttpSesaion objects.

C.
As per the specification, the J2EE web container ensures that distributed Httpsassion objects
will be stored in a database.

D.
Storing references to Enterprise JavaBeans components in the HttpSession object might NOT
supported by J2EE web contain.