Microsoft TS: Accessing Data with Microsoft .NET Framework 4 : 70-516 exam

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Microsoft 70-516 Exam Syllabus Topics:

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

Question 1

You are developing a new feature in the application to display a list of all bundled products.
You need to write a LINQ query that will return a list of all bundled products. Which query expression should
you use?

A. context.Parts.Cast<Product>() .ToList() .Where(p => p.Descendants.Any(d => d is Product))
B. context.Parts.OfType<Product>() .Where(p => p.Descendants.Any(d => d is Product))
C. context.Parts.Cast<Product>() .Where(p => p.Descendants.Any(d => d is Product))
D. context.Parts.OfType<Product>() .ToList() .Where(p => p.Descendants.Any(d => d is Product))

Question 2

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

Question 3

You use Microsoft .NET Framework 4.0 to develop an application that connects to a Microsoft SQL Server
2008 database.
The application includes a table adapter named taStore, which has the following DataTable.

There is a row in the database that has a ProductID of 680. You need to change the Name column in the
row to "New Product Name".
Which code segment should you use?

A. var dt = new taStore.ProductDataTable(); var ta = new taStoreTableAdapters.ProductTableAdapter(); ta.Fill(dt); var dv = new DataView(); dv.RowFilter = "680"; dv[0]["Name"] = "New Product Name"; ta.Update(dt);
B. var ta = new taStoreTableAdapters.ProductTableAdapter(); var dt = ta.GetData(); var row = dt.Select("680") ; row[0]["Name"] = "New Product Name"; ta.Update(row);
C. var dt = new taStore.ProductDataTable(); var ta = new taStoreTableAdapters.ProductTableAdapter(); ta.Fill(dt); taStore.ProductRow row = (taStore.ProductRow)dt.Rows.Find(680) ; row.Name = "New Product Name"; ta.Update(row);
D. var dt = new taStore.ProductDataTable(); var row = dt.NewProductRow(); row.ProductID = 680; row.Name = "New Product Name"; dt.Rows.Add(row) ;

Question 4

You use Microsoft .NET Framework 4.0 to develop an application that exposes a WCF Data Services
endpoint.
The endpoint uses an authentication scheme that requires an HTTP request that has the following header
format.
GET /OData.svc/Products(1)
Authorization: WRAP access_token "123456789"
You add the following method to your DataService implementation.
01 protected override void OnStartProcessingRequest(ProcessRequestArgs args)
02 {
03 ....
04 }
You need to ensure that the method retrieves the authentication token. Which line of code should you use?

A. string token = args.OperationContext.RequestHeaders["WRAP access_token"];
B. string token = args.OperationContext.ResponseHeaders["Authorization"];
C. string token = args.OperationContext.ResponseHeaders["WRAP access_token"];
D. string token = args.OperationContext.RequestHeaders["Authorization"];

Question 5

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
You create an Entity Data Model (EDM) by using the Microsoft ADO.NET Entity Data Model Designer (Entity
Designer).
The EDM contains a complex type. You need to map a stored procedure to the complex type by using the
Entity Designer.
What should you do?

A. Add an association to the stored procedure.
B. Add an entity that mirrors the properties of the complex type.
C. Add a function import for the stored procedure.
D. Add a code generation item that has the name of the stored procedure.

Solutions: