Go back to C2180-371 - Web Services Development for IBM WebSphere Application Server V7.0 Exam

Question :-

A bank would like to design a JAX-WS Web service to transfer funds. The server will be deployed to IBM Web Sphere Application Server V7.0.Two key requirements are to ensure: 1) the request is only sent once 2) cross vendor interoperability What is the best way to accomplish this?
Use WS-Security
Use WS-Atomic Transaction
Use WS-Reliable Messaging
Add a handler to implement the duplication detection logic
Implement application code in the Web service to detect duplication

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