Microsoft 070-516 real exam prep : TS: Accessing Data with Microsoft .NET Framework 4

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Microsoft 070-516 Exam Syllabus Topics:

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

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. You use the ADO.NET LINQ to Entity model
to retrieve data from the database.
You need to call a function that is defined in the conceptual model from within the LINQ to Entities queries.
You create a common language runtime (CLR) method that maps to the function. What should you do
next?

A) Apply the EdmFunctionAttribute attribute to the method.
B) Apply the EdmComplexTypeAttribute attribute to the method.
C) Declare the method as static.
D) Declare the method as abstract.

2. 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.
The application includes a Customer entity along with a CustomerKey property of the Guid type as shown in
the following exhibit:

You discover that when the application adds a new instance of a Customer, calling the SaveChanges
method
results in the following error message: "Server generated keys are only supported for identity columns."
You need to ensure that the application can add new Customer entities. What should you do?

A) Add a handler for the ObjectContext.ObjectMaterialized event. In the event handler, set the CustomerKey value.
B) Call the ObjectContext.Attach method before saving a Customer entity.
C) Call the ObjectContext.CreateEntityKey method before saving a Customer entity.
D) Add a handler for the ObjectContext.SavingChanges event. In the event handler, set the CustomerKey value.

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
You use Microsoft ADO.NET Entity Data Model (EDM) to model entities.
You create an entity named Person with a schema defined by the following XML fragment.
<EntityType Name="CPerson"> <Key> <PropertyRef Name="PersonId" /> </Key>
<Property Name="PersonId" Type="Int32" Nullable="false" />
<Property Name="CompanyName" Type="String" />
<Property Name="ContactName" Type="String" />
<Property Name="ContactTitle" Type="String" />
<Property Name="Address" Type="String" />
</EntityType>
You need to ensure that entities within the application are able to add properties related to the city, region,
and country of Person's address.
What should you do?

A) Create a new entity named Address. Add a person ID property to filter the results to display only the City, Region, and Country properties for a specific Person entity.
B) Create a new complex type named CAddress that contains the properties for city, region, and country. Change the Type of the Address property in CPerson to "Self.CAddress".
C) Create a view named Name that returns city, region, and country along with person IDs. Add a WHERE clause to filter the results to display only the City, Region and Country properties for a specific Person entity.
D) Create a SubEntity named Address. Map the SubEntity to a stored procedure that retrieves city, region, and country.

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. The application connects to a Microsoft SQL Server 2008 database. The application uses a Microsoft ADO.NET SQL Server managed provider.
"Data Source=myServerAddress; Initial Catalog=myDataBase; User Id=myUsername; Password=secret;"
You need to ensure that the database credentials are secure. Which is the correct Property to insert?

A) Persist Security Info=true;
B) Integrated Security=false;
C) Integrated Security=SSPI;
D) Persist Security Info=false;

5. 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 uses the ADO.NET Entity
Framework to model entities.
The database includes objects based on the exhibit (click the Exhibit button).
The application includes the following code segment. (Line numbers are included for reference only.)
01 using(AdventureWorksEntities context = new AdventureWorksEntities())
02 {
03 ...
04 foreach (SalesOrderHeader order in customer.SalesOrderHeader)
05 {
06 Console.WriteLine(String.Format("Order: {0} ",
order.SalesOrderNumber));
07 foreach (SalesOrderDetail item in order.SalesOrderDetail)
08 {
09 Console.WriteLine(String.Format("Quantity: {0} ", item.Quantity));
10 Console.WriteLine(String.Format("Product: {0} ",
item.Product.Name));
11 }
12 }
13 }
You want to list all the orders for a specific customer. You need to ensure that the list contains following fields:
-Order number
-Quantity of products
-Product name
Which code segment should you insert in line 03?

A) Contact customer = context.Contact.Where("it.ContactID = @customerId", new ObjectParameter("@customerId", customerId)).First();
B) Contact customer = (from contact in context.Contact.Include
("SalesOrderHeader.SalesOrderDetail")
select contact).FirstOrDefault();
C) Contact customer = (from contact in context.Contact.Include
("SalesOrderHeader")
select contact).FirstOrDefault();
D) Contact customer = context.Contact.Where("it.ContactID = @customerId", new ObjectParameter("customerId", customerId)).First();

Solutions: