Exam PL-400 topic 2 question 40 discussion

According to this piece of documentation from Microsoft: https://learn.microsoft.com/en-us/power-apps/developer/data-platform/use-change-tracking-synchronize-data-external-systems * When retrieving changes via WebAPI: add header "prefer: odata.track-changes" * When retrieving changes via .NET code: use RetrieveEntityChangesRequest Given that the question is pretty much clear ("You plan to use the Organization Service to retrieve the delta data by using C#."), the answer can only be option C.

Org service doesn't use odata.track-changes... MS docs say RetrieveEntityChangesRequest https://learn.microsoft.com/en-us/power-apps/developer/data-platform/use-change-tracking-synchronize-data-external-systems

https://learn.microsoft.com/en-us/power-apps/developer/data-platform/use-change-tracking-synchronize-data-external-systems#retrieve-changes-for-a-table-using-net-sdk

To retrieve delta data using the Organization Service in C#, you should use the RetrieveEntityChangesRequest message. This message is specifically designed to work with change tracking in Microsoft Dataverse to retrieve changes made to the data

Answer is C

C is correct. To retrieve delta data from the Account table in Microsoft Dataverse using the Organization Service in C#, you should use the RetrieveEntityChangesRequest message. This message is specifically designed for retrieving changes that have occurred in an entity, including changes made after enabling change tracking.

Correct should be C

Clearly mention in the below link https://learn.microsoft.com/en-us/power-apps/developer/data-platform/use-change-tracking-synchronize-data-external-systems#retrieve-changes-for-a-table-using-net-sdk

Correct

https://learn.microsoft.com/en-us/dotnet/api/microsoft.xrm.sdk.messages.retrieveentitychangesrequest?view=dataverse-sdk-latest