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

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

1. You use Microsoft .NET Framework 4.0 to develop an application that uses the Entity Framework.
The application defines the following Entity SQL (ESQL) query, which must be executed against the mode.
string prodQuery = "select value p from Products as p where
p.ProductCategory.Name = @p0";
You need to execute the query. Which code segment should you use?

A) var prods = ctx.ExecuteStoreQuery<Product>(prodQuery, new ObjectParameter("p0", "Road Bikes")).ToList();
B) var prods = ctx.CreateQuery<Product>(prodQuery, new ObjectParameter("p0", "Road Bikes")).ToList();
C) var prods = ctx.ExecuteFunction<Product>(prodQuery, new ObjectParameter("p0", "Road Bikes")).ToList();
D) var prods = ctx.ExecuteStoreCommand(prodQuery, new ObjectParameter("p0", "Road Bikes")).ToList();

2. You use Microsoft .NET Framework 4.0 to develop an application that uses LINQ to SQL.
The Product entity in the LINQ to SQL model contains a field named Productlmage. The Productlmage field
holds a large amount of binary data.
You need to ensure that the Productlmage field is retrieved from the database only when it is needed by the
application. What should you do?

A) When the context is initialized, specify that the Productlmage property should not be retrieved by using DataLoadOptions
B) Set the Auto-Sync property on the Productlmage property of the Product entity to Never.
C) Set the Update Check property on the Productlmage property of the Product entity to Never.
D) Set the Delay Loaded property on the Productlmage property of the Product entity to True.

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create a Windows
Communication Foundation (WCF) Data Services service.
You discover that when an application submits a PUT or DELETE request to the Data Services service, it
receives an error.
You need to ensure that the application can access the service. Which header and request type should you
use in the application?

A) an HTTP ContentType header as part of a POST request
B) an X-HTTP-Method header as part of a POST request
C) an X-HTTP-Method header as part of a GET request
D) an HTTP ContentType header as part of a GET request

4. 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 create an entity as shown in
the following code fragment.
<EntityType Name="ProductCategory">
<Key>
<PropertyRef Name="ProductCategoryID" />
</Key>
<Property Name="ProductCategoryID" Type="int" Nullable="false" StoreGeneraedPattern="Identity" />
<Property Name="ParentProductCategoryID" Type="int" />
<Property Name="Name" Type="nvarchar" Nullable="false" MaxLength="50" />
...
</EntityType>
You need to provide two entity-tracking fields:
-rowguid that is automatically generated when the entity is created
-ModifiedDate that is automatically set whenever the entity is updated. Which code fragment should you add to the .edmx file?

A) <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" StoreGeneratedPattern="Computed"/> <Property Name="ModifiedDate" Type="timestamp" Nullable="false" StoreGeneratedPattern="Computed"/>
B) <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" StoreGeneratedPattern="Computed"/> <Property Name="ModifiedDate" Type="timestamp" Nullable="false" StoreGeneratedPattern="Identity"/>
C) <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" StoreGeneratedPattern="Identity"/> <Property Name="ModifiedDate" Type="timestamp" Nullable="false" StoreGeneratedPattern="Computed"/>
D) <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" StoreGeneratedPattern="Identity"/> <Property Name="ModifiedDate" Type="timestamp" Nullable="false" StoreGeneratedPattern="Identity"/>

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create a Windows
Communication
Foundation (WCF) Data Services service. You deploy the data service to the following URL: http://
contoso.com/Northwind.svc.
You need to update the City property of the Customer record that has its ID value as 123.
You also need to preserve the current values of the remaining properties. Which HTTP request should you
use?

A) MERGE /Northwind.svc/Customers(123) Host: contoso.com
Content-Type: application/json { City: 'Seattle' }
B) MERGE /Northwind.svc/Customers(123) Host: contoso.com Accept: application/json { City: 'Seattle' }
C) PUT /Northwind.svc/Customers(123) Host: contoso.com Accept: application/json { City: 'Seattle' }
D) PUT /Northwind.svc/Customers(123) Host: contoso.com Content-Type: application/json { City: 'Seattle' }

Solutions: