Which of the following statements most appropriately describe WS-SecureConversation?

A.
Context and secret must be established (authenticated) for every message exchange

B.
It is mutually exclusive to SSL

C.
It replaces the OASIS Web Services Security: SOAP Message Security 1.1 standard

D.
It defines extensions to allow security context establishment and sharing, and session key derivation

E.
It allows contexts to be established and potentially more efficient keys or new key material to be
exchanged