Which three security schemes are supported by Oracle Service Bus (OSB)?
A. partial encryption of a request as defined by a custom WS-Securitypolicy
B. partial encryption of a request as defined by an OWSM policy
C. authentication of a request as defined by an OWSM policy
D. propagation of a Security Assertion Markup Language (SAML) token from aWebCenter portal to an OSB proxy service
E. propagation of a SAML token from a WebCenter portal to the OSBconsole
A,C,E