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Microsoft 70-516 Exam Syllabus Topics:

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

1. You use Microsoft .NET Framework 4.0 to develop an ASP.NET Web application that connects to a
Microsoft SQL Server 2008 database.
The application uses Integrated Windows authentication in Internet Information Services (IIS) to
authenticate users.
A connection string named connString defines a connection to the database by using integrated security.
You need to ensure that a SqlCommand executes under the application pool's identity on the database
server.
Which code segment should you use?

A) using (var conn = new SqlConnection(connString))
{
var cmd = new SqlCommand ("SELECT * FROM BLOG, conn);
conn.Open();
using(HostingEnvironment.Impersonate())
{
var result = cmd.ExecuteScalar();
}
}
B) using (var conn = new SqlConnection())
{
conn.ConnectionString = connString;
SqlCommand cmd = null;
using (HostingEnvironment.Impersonate())
{
cmd = new SqlCommand("SELECT * FROM BLOG", conn);
}
conn.Open();
var result = cmd.ExecuteScalar();
}
C) using (var conn = new SqlConneccion())
{
using (HostingEnvironroent.Impersonate())
{
conn.ConnectionString = connString;
}
var cmd = new SqlCommand("SELECT * FROM BLOG, conn);
conn.Open() ;
var result = cmd.ExecuteScalar();
}
D) using (var conn = new SqlConnection())
{
conn.ConnectionString = connString;
var cmd = new SqlCommand("SELECT * FROM BLOG", conn);
using (HostingEnvironment.Impersonate())
{
conn.Open();
}
var result = cmd.ExecuteScalar();
}

2. 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 as shown in the following diagram.

You create an ObjectContext instance named objectContext1 and use it to create a SalesPerson instance
named person1.
You create an ObjectContext instance named objectContext2 and use it to create a SalesTerritory instance
named territory1.
You need to create and persist a relationship between person1 and terrotory1. What should you do?

A) Attach person1 to objectContext2. Detach territory1 from objectContext2. Set the SalesTerritory property of person1 to territory1. Call Refresh on objectContext1.
B) Detach person1 from objectContext1. Attach person1 to objectContext2. Set the SalesTerritory property of person1 to territory1. Call SaveChanges on objectContext2.
C) Detach person1 from objectContext1. Detach territory1 from objectContext2. Set the SalesTerritory property of person1 to territory1. Call Refresh on both objectContext1 and objectContext2.
D) Attach person1 to objectContext2. Attach territory1 to objectContext1. Set the SalesTerritory property of person1 to territory1. Call SaveChanges on both objectContext1 and objectContext2.

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create a Windows Communication Foundation (WCF) Data Services service. The solution contains the projects shown in the following table.

The WCF data service exposes an Entity Framework model. You need to Access the service by using a
WCF Data Services client.
What should you do in the Application.Client Project?

A) Add a web reference that uses the URL of the WCF data service.
B) Add a service reference that uses the URL of the WCF data service.
C) Add a referance to the Application.Model Project.
D) Add a referance to the Application.Service Project.

4. You use Microsoft Visual Studio 2010 and .NET Framework 4.0 to develop an application.
You use entity Framework Designer to create an Entity Data Model from an existing database by using the
Generate From Database wizard.
The model contains an entity type named Product. The Product type requires an additional property that is
not mapped to database colomn.
You need to add the property to product. What should you do?

A) Add the property in a partial class named Product in a new source file.
B) Add the property in the generated class file, and select Run Custom Tool from the solution menu.
C) Create a comlex type with the name of the property in the Entity Framework Designer.
D) Create a function import with the name of property in the Entity Framework Designer.

5. You develop a Microsoft .NET application that uses Entity Framework to store entities in a Microsft SQL
Server 2008 database.
While the application is disconnected from the database, entities that are modified, are serialized to a local
file.
The next time the application connects to the database, it retrieves the identity from the database by using
an object context
named context and stores the entity in a variable named remoteCustomer.
The application then serializes the Customer entity from the local file and stores the entity in a variable
named localCustomer.
The remoteCustomer and the localCustomer variables have the same entity key.
You need to ensure that the offline changes to the Customer entity is persisted in the database when the
ObjectContext.SaveChanges() method is called.
Which line of code should you use?

A) context.ApplyCurrentValues("Customers", localCustomer);
B) context.ApplyOriginalValues("Customers", remoteCustomer);
C) context.ApplyOriginalValues("Customers", localCustomer);
D) context.ApplyCurrentValues("Customers", remoteCustomer);

Solutions: