A process is required for a client in the banking sector that involves using an application to transfer funds
between accounts. A strong security model is in place to prevent any malicious activity but the client is
nervous about the risk of external problems, like a power cut leaving a case in an incomplete state or a
fault in the source data causing a case to be duplicated or an excessively large transfer to be made.
What should be included in the solution design? (Choose three.)