A tool that migrates data from database A to B has been developed. The tool will be used to migrate all production data from version 1.0 of our app (operating on A) to version 2.0, currently being developed (operating on B). The schema may differ between each other. 

                               i.           How are you going to make sure the application is working after migration?   [5]

                             ii.           Provide your test strategy                                                                                  [5]

Provide sample test cases.