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Microsoft UPG:Transition MCPD.NET Frmwrk 3.5 Web Dev to 4 Web Dev Sample Questions:

1. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application connects to a Microsoft SQL Server 2008 database. You create classes by using LINQ to SQL based on the records shown in the exhibit. (Click the Exhibit button.) You need to create a LINQ query to retrieve a list of objects that contains the OrderID and CustomerID properties. You need to retrieve the total price amount of each Order record. What are two possible ways to achieve this goal (Each correct answer presents a complete solution. Choose two.)

A) from details in dataContext.Order_Details group details by details.OrderID into g join order in dataContext.Orders on g.Key equals order.OrderID select new { OrderID = order.OrderID, CustomerID = order.CustomerID, TotalAmount = g.Sum(od => od.UnitPrice * od.Quantity) }
B) dataContext.Orders.GroupJoin(dataContext.Order_Details, o => o.OrderID, d => d.OrderID, (ord, dts) => new { OrderID = ord.OrderID, CustomerID = ord.CustomerID, TotalAmount = dts.Sum(od => od. UnitPrice * od.Quantity) } )
C) from order in dataContext.Orders group order by order.OrderID into g join details in dataContext.Order_Details on g.Key equals details. OrderID select new { OrderID = details.OrderID, CustomerID = details.Order.CustomerID, TotalAmount = details.UnitPrice * details.Quantity }
D) dataContext.Order_Details.GroupJoin(dataContext.Orders, d => d.OrderID, o => o.OrderID, (dts, ord) => new { OrderID = dts.OrderID, CustomerID = dts.Order.CustomerID, TotalAmount = dts.UnitPrice * dts.Quantity } )

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use
the ADO.NET Entity Framework to model entities. You write the following code segment. (Line numbers
are included for reference only.)
01AdventureWorksEntities context = New AdventureWorksEntities (http://localhost:1234/AdventureWorks.
svc );
02
03var q = from c in context.Customers
04where c.City == "London"
05orderby c.CompanyName
06select c;
You need to ensure that the application meets the following requirements: "Compares the current values of
unmodified properties with values returned from the data source. "Marks the property as modified when the
properties are not the same. Which code segment should you insert at line 02?

A) context.MergeOption = MergeOption.AppendOnly;
B) context.MergeOption = MergeOption.NoTracking;
C) context.MergeOption = MergeOption.OverwriteChanges;
D) context.MergeOption = MergeOption.PreserveChanges;

3. You are troubleshooting an ASP.NET Web application. System administrators have recently expanded your
web farm from one to two servers. Users are periodically reporting an error message about invalid view
state.
You need to fix the problem.
What should you do?

A) Change the session state mode to SQL Server on both servers and ensure both servers use the same connection string.
B) Set the machineKey in machine.config to the same value on both servers.
C) Override the SavePageStateToPersistenceMedium and LoadPageStateFromPersistenceMedium methods in the page base class to serialize the view state to a local web server file.
D) Set viewStateEncryptionMode to Auto in web.config on both servers.

4. You are designing the user interface for an ASP.NET Web application. The Web application allows several departments to personalize the style of their sections of the Web application.
All departmental section styles derive from the core styles of the Web application and can only append to
the Web application's core styles. The departmental master pages inherit from the Web application's
master page.
You need to ensure that core CSS styles appear in all pages of the Web application.
Which approach should you recommend?

A) Add a ContentPlaceHolder containing the CSS styles to the Web application's master page.
B) Add a master.css file containing the CSS styles to the Web application.
C) Link from the Web application's master page to a css.ascx file containing the CSS styles.
D) Link from the Web application's master page to a .css file containing the CSS styles.

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application uses the ADO.NET Entity Framework to model entities. You need to create a database from your model. What should you do?

A) Run the edmgen.exe tool in FullGeneration mode.
B) Run the edmgen.exe tool in FromSSDLGeneration mode.
C) Use the Generate Database Wizard in Visual Studio. Run the resulting script against a Microsoft SQL Server database.
D) Use the Update Model Wizard in Visual Studio.

Solutions: