Which two statements are true about the Web services? (Choose two.)
A. SOAP messages are compressed during transport.
B. You must implement session tracking via HTTP cookies.
C. The WSDL defines services as collections of network endpoints.
D. All data shared between Java and non-Java components must be in XML format.
E. Data interchange is standardized in XML.
F. Stateful Web services must be implemented in a heterogeneous environment.