You are developing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.

You plan to use Microsoft Sync Framework to synchronize the data stored in a local Microsoft SQL Server Compact Edition database with the data stored in a centralized SQL Server 2008 database.

Four columns are added to each table involved in the synchronization process to track changes to the database.

You add the following four columns to the database table.

Users report that the synchronization process is not always successful.

You need to ensure that the application synchronizes data successfully.

What should you do?

A.
Option A

B.
Option B

C.
Option C

D.
Option D