Which two statements are true about WSDL 1.1 and the Basic Profile? (Choose two.)
A.
WSDL does NOT recommend a specific system for user-defined datatypes.
B.
WSDL recommends the use of XML Schema for user-defined datatypes.
C.
WSDL mandates the use of XML Schema for user-defined datatypes.
D.
Basic Profile recommends the use of XML Schema for user-defined datatypes.
E.
Basic Profile mandates the use of XML Schema for user-defined datatypes.
F.
Basic Profile recommends the use of either XML Schema or DTD for user-defined datatypes.
Explanation: