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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 database. You write the following code segment that
executes two commands against the database within a transaction. (Line numbers are included for
reference only.)
01using (SqlConnection connection = new SqlConnection(cnnStr)) {
02connection.Open();
03SqlTransaction sqlTran = connection.BeginTransaction();
04SqlCommand command = connection.CreateCommand();
05command.Transaction = sqlTran;
06try {
07command.CommandText = "INSERT INTO Production.ScrapReason(Name) VALUES('Wrong size')";
08command.ExecuteNonQuery();
09command.CommandText = "INSERT INTO Production.ScrapReason(Name) VALUES('Wrong color')";
10command.ExecuteNonQuery();
11
12}
You need to log error information if the transaction fails to commit or roll back.
Which code segment should you insert at line 11?

A) catch (Exception ex) { sqlTran.Rollback(); Trace.WriteLine(ex.Message); } finaly { try { sqltran.commit( ); } catch (Exception exRollback) { Trace.WriteLine(excommit.Message); }}
B) sqlTran.Commit(); } catch (Exception ex) { sqlTran.Rollback(); Trace.WriteLine(ex.Message); }
C) sqlTran.Commit(); } catch (Exception ex) { Trace.WriteLine(ex.Message); try { sqlTran.Rollback(); } catch (Exception exRollback) { Trace.WriteLine(exRollback.Message); } } }
D) catch (Exception ex){ Trace.WriteLine(ex.Message); try{ sqlTran.Rollback(); } catch (Exception exRollback){ Trace.WriteLine(exRollback.Message); }} finaly { sqltran.commit( );}}

2. You create an ASP.NET MVC 2 Web application that contains the following controller class.
public class ProductController : Controller
{
static List<Product> products = new List<Product>();
public ActionResult Index()
{
return View();
}
}
In the Views folder of your application, you add a view page named Index.aspx that includes the following
@ Page directive.
<%@ Page Inherits="System.Web.Mvc.ViewPage" %>
You test the application with a browser. You receive the following error message when the Index method is
invoked: "The view 'Index' or its master was not found."
You need to resolve the error so that the new view is displayed when the Index method is invoked.
What should you do?

A) Replace the @ Page directive in Index.aspx with the following value. <%@ Page Inherits="System.Web.Mvc.ViewPage<Product>" %>
B) Change the name of the Index.aspx file to Product.aspx.
C) Modify the Index method by changing its signature to the following: public ActionResult Index(Product p)
D) Create a folder named Product inside the Views folder. Move Index.aspx to the Product folder.

3. 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. The application allows users to make
changes to entities while disconnected from the central data store.
You need to ensure that when the user connects to the central data store and retrieves new data, the
application meets the following requirements:
*Changes made to the local data store in disconnected mode are preserved.
*Entities that have already been loaded into the local data store, but have not been modified by the user,
are updated with the latest data.
What should you do?

A) Call the Refresh method of ObjectContext by using the RefreshMode.ClientWins method.
B) Call the query's Execute method by using the MergeOptions.OverwriteChanges option.
C) Call the Refresh method of ObjectContext by using the RefreshMode.StoreWins option.
D) Call the query's Execute method by using the MergeOptions.AppendOnly option.

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use the ADO.NET Entity Data Model (EDM) to define a Customer entity. You need to add a new Customer to the data store without setting all the customer's properties. What should you do?

A) Override the Create method for the Customer object.
B) Override the SaveChanges method for the Customer object.
C) Call the Create method of the Customer object.
D) Call the CreateObject method of the Customer object.

5. You use Microsoft Visual Studio 2010, Microsoft Sync Framework, and Microsoft .NET Framework 4 to
create an application. You have a ServerSyncProvider connected to a Microsoft SQL Server database. The
database is hosted on a Web server. Users will use the Internet to access the Customer database through
the ServerSyncProvider. You write the following code segment. (Line numbers are included for reference
only.)
01SyncTable customerSyncTable = new SyncTable("Customer");
02customerSyncTable.CreationOption = TableCreationOption. UploadExistingOrCreateNewTable;
03
04customerSyncTable.SyncGroup = customerSyncGroup;
05 this.Configuration.SyncTables.Add(customerSyncTable);
You need to ensure that the application meets the following requirements: "Users can modify data locally
and receive changes from the server. "Only changed rows are transferred during synchronization. Which
code segment should you insert at line 03?

A) customerSyncTable.SyncDirection = SyncDirection.Snapshot;
B) customerSyncTable.SyncDirection = SyncDirection.Bidirectional;
C) customerSyncTable.SyncDirection = SyncDirection.DownloadOnly;
D) customerSyncTable.SyncDirection = SyncDirection.UploadOnly;

Solutions: