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Microsoft 070-516 Exam Syllabus Topics:

Microsoft TS: Accessing Data with Microsoft .NET Framework 4 Sample Questions:

Question 1

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.
The application has two DataTable objects that reference the Customers and Orders tables in the
database.
The application contains the following code segment. (Line numbers are included for reference only.)
01 DataSet customerOrders = new DataSet();
02 customerOrders.EnforceConstraints = true;
03 ForeignKeyConstraint ordersFK = new ForeignKeyConstraint("ordersFK",
04 customerOrders.Tables
["Customers"].Columns["CustomerID"],
05 customerOrders.Tables["Orders"].Columns
["CustomerID"]);
06 ...
07 customerOrders.Tables["Orders"].Constraints.Add(ordersFK);
You need to ensure that an exception is thrown when you attempt to delete Customer records that have
related Order records.
Which code segment should you insert at line 06?

A. ordersFK.DeleteRule = Rule.SetNull;
B. ordersFK.DeleteRule = Rule.None;
C. ordersFK.DeleteRule = Rule.Cascade;
D. ordersFK.DeleteRule = Rule.SetDefault;

Question 2

There are Entities - States Class, Cities class. Deleting of state id raises exception. Which of the following?

A. EntityException
B. ConstraintException
C. EntityUpdateException
D. UpdateException

Question 3

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application uses the ADO.NET Entity Framework to model entities.
You define a Category class by writing the following code segment. (Line numbers are included for
reference only.)
01 public class Category
02 {
03 public int CategoryID { get; set; }
04 public string CategoryName { get; set; }
05 public string Description { get; set; }
06 public byte[] Picture { get; set; }
07 ...
08 }
You need to add a collection named Products to the Category class. You also need to ensure that the
collection supports deferred loading.
Which code segment should you insert at line 07?

A. public static List <Product> Products { get; set; }
B. public abstract List <Product> Products { get; set; }
C. protected List <Product> Products { get; set; }
D. public virtual List <Product> Products { get; set; }

Question 4

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application.
You use the ADO.NET Entity Framework Designer to model entities.
You need to associate a previously deserialized entity named person1 to an object context named model
and persist changes to the database.
Which code segment should you use?

A. person1.AcceptChanges(); model.SaveChanges();
B. model.AttachTo("People", person1); model.SaveChanges();
C. model.People.ApplyChanges(person1) ; model.SaveChanges();
D. model.People.Attach(person1); model.SaveChanges();

Question 5

You use Microsoft Visual Studio 2010 and .NET Framework 4.0 to develop an application that uses the
Entity Framewok.
You need to execute custom logic when an entity is attached to the ObjectContext. What should you do?

A. Create an event handler to handle the ObjectMaterialized event.
B. Create a partial method named OnStateChanged in the partial class for the entity.
C. Create an event handler to handle the ObjectStateManagerChanged event.
D. Create a partial method named OnAttached in the partial class for the entity.

Solutions: