Which ADO.NET data access strategy should you use?

You are designing a data-oriented application that features a variety of storage schemas.
The application object model must be mapped to the various storage schemas.
You need to enable developers to manipulate the data.
Which ADO.NET data access strategy should you use? (Each correct answer presents a complete solution. Choose all that apply.)
A. LINQ to SQL
B. Entity Framework
C. DataAdapter
D. DataReader

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4 thoughts on “Which ADO.NET data access strategy should you use?

    1. They are asking for data manipulation, not only data access… So I’d think C should be right as well.

      1. I Think its BC
        EF and DataAdapter are not binded to a specific storage schemas, while linq to sql is.
        DataReader provieds us with readonly data, so its not a complete solution

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