Which three recommendations should the Salesforce integration architect make?

A customer’s enterprise architect has identified requirements around caching, queuing, error handling, alerts, retries, event handling, etc. The company has asked the Salesforce integration architect to help fulfill such aspects with their Salesforce program.

Which three recommendations should the Salesforce integration architect make? Choose 3 answers
A . Transform a fire-and-forget mechanism to request-reply should be handled by middleware tools (like ETL/ESB) to improve performance.
B. Provide true message queueing for integration scenarios (including orchestration, process choreography, quality of service, etc.) given thata middleware solution is required.
C. Message transformation and protocol translation should be done within Salesforce. Recommend leveraging Salesforce native protocol conversion capabilities as middle watools are NOT suited for such tasks
D. Eventhandling processes such as writing to a log, sending an error or recovery process, or sending an extra message, can be assumed to be handled by middleware.
E. Event handling in a publish/subscribe scenario, the middleware can be used to route requests ormessages to active data-event subscribers from active data-event publishers.

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Answer: B,D,E