What is the biggest advantage of using Web services to create SOA solutions？（）

A. To integrate legacy systems
B. To propagate security context
C. To expose fine grained operations
D. To use with process choreography
E. For B2B （business to business） applications

A. Expanding the reach of your company information.
B. Providing transactional services such as credit card payment processing.
C. Making existing services available to a business process to orchestrate services.
D. Enabling interoperability between heterogeneous services to create time-critical solutions.

A. To provide message level security
B. To allow integration with Web 2.0 applications
C. To be able to use XML to format response messages
D. To be able to use the HTTP or HTTPS transport protocols