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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
Audience Profile
Candidates for this 70-516 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. 
Candidates should also have a good grasp of the following:
•ADO.NET 4 coding techniques and framework components
•ADO.NET Data Services LINQ
•LINQ to SQL
•Entity Framework technologies
•Structured Query Language (SQL)
•stored procedures
•Database Structures/Schemas (Objects) XML
Microsoft Accessing Data with Microsoft .NET 70-516
Exam Number/Code : 70-516
Exam Name : Accessing Data with Microsoft .NET
One year free update
Once failed,100% refund
Questions and Answers : 87Q&As
Update Time : 2012-11-1
Price : $79.00
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