Which two are valid use cases for a business service?

A.
load balancing XML messages between multiple service endpoints using different transports

B.
load balancing SOAP messages between multiple service endpoints addressed by different
URLs

C.
load balancing MFL messages between multiple service endpoints based on server load

D.
routing a Java message to a JMS error queue after three failed load-balancing attempts

Explanation:

http://docs.oracle.com/cd/E23943_01/admin.1111/e15867/configuringandusingservices.htm