Study tips 70-518

You need to ensure that the application synchronizes data successfully

You need to design a database locking strategy that meets the following requirements:

Which two actions should you perform?

You need to ensure that the application meets the following requirements:

Which data access technology should you use?

You need to ensure that changes made to the WCF service data contract do not require the application to be recompiled

You need to ensure that the following requirements are met: • The control is reusable in multiple forms

What should you design?

Which class should you use?

Which testing strategy should you recommend?