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70-518 · Question #183

You are designing a Windows Presentation Foundation (WPF) application that will process data. The data is stored in a Microsoft SQL Server 2008 database. You plan to access the data by using ADO.NET…

The correct answer is A. Use eager loading. See the full explanation below for the reasoning.

Question

You are designing a Windows Presentation Foundation (WPF) application that will process data. The data is stored in a Microsoft SQL Server 2008 database. You plan to access the data by using ADO.NET Entity Framework 4. You need to recommend an approach that minimizes the number of calls to the database server. What should you recommend?

Options

  • AUse eager loading.
  • BUse SqlDependency objects.
  • CUse lazy loading.
  • DUse change tracking in the ObjectContext object.

How the community answered

(26 responses)
  • A
    73% (19)
  • B
    15% (4)
  • C
    8% (2)
  • D
    4% (1)

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