Which two statements are true about creating a Web service with JAX-WS? (Choose two

Which two statements are true about creating a Web service with JAX-WS? (Choose two.)

A.
Stateless Web services must be created with HTTP servlet endpoints.

B.
Creating the portable artifacts by hand is slow, but makes a service easier to maintain.

C.
All Java-based endpoints share a common packaging model.

D.
EJBs can serve as endpoints if hosted in a container with runtime and service support.

E.
JAX-WS supports creating services from source and compiled code without a WSDL.