Microsoft
70-519 · Question #80
You are designing a data access strategy for an ASP.NET Web application. You plan to expose an existing data source by using WCF Data Services. You need to recommend an approach to ensure that CRUD…
The correct answer is A. Implement the IQueryable and IUpdatable interfaces on data source entities. See the full explanation below for the reasoning.
Question
You are designing a data access strategy for an ASP.NET Web application. You plan to expose an existing data source by using WCF Data Services. You need to recommend an approach to ensure that CRUD operations are possible. What should you recommend?
Options
- AImplement the IQueryable and IUpdatable interfaces on data source entities.
- BImplement the IEnumerable and IEditableObject interfaces on data source entities.
- CImplement the ILookup and IUpdatable interfaces on data source entities.
- DImplement the IContainer and IEditableObject interfaces on data source entities.
How the community answered
(60 responses)- A82% (49)
- B5% (3)
- C10% (6)
- D3% (2)
Community Discussion
No community discussion yet for this question.