Universal Containers (UC) is planning on a production release with a large data volume to be migrated to Salesforce from a back-office system. The incoming data is constantly being updated in the back-office system. UC would like to keep the data synchronized in near real-time in Salesforce.
What is the recommended approach to achieve this?

As part of their customer setup process. Universal containers requires that any address put into Salesforce be validated by the US Postal Service.
The customer must provide their address while they are on the phone with the Universal Containers representative.
What two solutions should a Technical Architect recommend to fulfill this requirement?
Choose 2 answers

Universal Containers wishes to move data between 3 back office systems: ERP, financial and a legacy home-grown shipping system that will be replaced 3 months after integration is scheduled to be complete.
What integration pattern should an architect recommend to ensure minimal throwaway code?

Universal Containers is hearing complaints from users that recently released changes arebreaking existing functionality.
What type of testing program should a Technical Architect implement to reduce or eliminate this complaint?

Universal Containers (UC) has Salesforce integrated with their mainframe system. All the orders placed in Salesforce are sent to the mainframe system in a nightly batch process.
Which two capabilities are required for middleware to support this integration?