70-516 Study Guide Materials

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Candidates for this exam use Microsoft Visual Studio 2010 and ADO.NET 4 to develop the data access layer of an application.  Candidates should have a minimum of two to three years of experience developing application components that interact with a variety of data sources.  In addition, candidates should have a thorough understanding of relational database concepts and should have a minimum of one to two years of experience using a relational database management system.
exam 70-516:TS: Accessing Data with Microsoft .NET Framework 4
Published: July 02, 2010
Language(s): English
Audience(s): Developers
Technology: Microsoft Visual Studio 2010
Type: Proctored exam
Free 70-516 vce Demo Download
15.You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application connects to a Microsoft SQL Server database.
You use the ADO.NET Entity Framework to manage persistence-ignorant entities. You create an ObjectContext instance named context.
Then, you directly modify properties on several entities. You need to save the modified entity values to the database.
Which code segment should you use?
A. context.SaveChanges(SaveOptions.AcceptAllChangesAfterSave);
B. context.SaveChanges(SaveOptions.DetectChangesBeforeSave);
C. context.SaveChanges(SaveOptions.None);
D. context.SaveChanges();
Answer: B
16.You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
You use the ADO.NET Entity Data Model (EDM) to define a Customer entity.
You need to add a new Customer to the data store without setting all the customer’s properties. What should you do?
A. Call the Create method of the Customer object.
B. Call the CreateObject method of the Customer object.
C. Override the Create method for the Customer object.
D. Override the SaveChanges method for the Customer object.
Answer: B
exam 70-516 Ebook :TS: Accessing Data with Microsoft .NET Framework 4 Skills Being Measured
Managing Connections and Context (18%)
Configure connection strings and providers.
This objective may include but is not limited to: managing connection strings including Entity Framework connection strings, using the ConfigurationManager, correctly addressing the Microsoft SQL Server instance, implementing connection pooling, managing User Instanceand AttachDBfilename, switching providers, implementing multiple active result sets (MARS)
This objective does not include: using the ConnectionStringBuilder; Oracle data provider; creating and using a custom provider; using third-party providers
Create and manage a data connection.
This objective may include but is not limited to: connecting to a data source, closing connections, maintaining the life cycle of a connection
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