The following Object Design has been created for a mainframe banking application.

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? (select 3 responses)

The status of a Work Queue can be used as a method of recording what work has been done so far on a Work Queue item

Please consider the following statements:

1. For Ml, to easily see how far an item has been worked

2 To aid manual working of exceptions, providing the Item Status can inform staff what work is still outstanding on an item that needs manually completing

3. To enable Work Queue items to be safely retried, a process can use the item status to know which updates have already been performed so that they are not repeated

4 To record the Customer's Surname

Which of the statements are valid reasons for updating a case status?