Microsoft
70-518 · Question #60
You are designing a Windows Presentation Foundation (WPF) application that accesses a Microsoft SQL Server 2008 database. You must ensure that database administrators can change the structure of…
The correct answer is B. Model the data layer by using custom data access objects. See the full explanation below for the reasoning.
Question
You are designing a Windows Presentation Foundation (WPF) application that accesses a Microsoft SQL Server 2008 database. You must ensure that database administrators can change the structure of database tables without requiring redeployment of the WPF application. You need to recommend a data modeling and data access strategy. What should you recommend?
Options
- AModel the data layer by using DataSet objects with automatically generated Create, Read,
- BModel the data layer by using custom data access objects.
- CModel the data layer by using LINQ to SQL with attribute-based mapping of objects to tables.
- DModel the data layer by using typed DataSet objects with automatically generated Create,
How the community answered
(31 responses)- A6% (2)
- B74% (23)
- C16% (5)
- D3% (1)
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