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

1. You are implementing an ASP.NET page in an e-commerce application. Code in a btnAddToCart_Click
event handler adds a product to the shopping cart.
The page should check the status of the shopping cart and always show a cart icon when one or more
items are in the shopping cart. The page should hide the icon when the shopping cart has no items. You
need to add an event handler to implement this requirement.
Which event handler should you add?

A) Page_PreRender
B) Page_PreInit
C) btnAddToCart_Click
D) Page_Load

2. 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( );}}

3. You are designing a user input form that is part of an ASP.NET Web Forms application. You need to ensure that users cannot attack the Web server by submitting invalid data. Which approach should you recommend?

A) Write an onSubmit JavaScript handler that URL-encodes all data that is passed to the server.
B) Install a certificate on the Web server, and force all Web traffic to use SSL.
C) Write an onSubmit JavaScript handler that validates all form input.
D) Write an OnClick method for the Submit button that rejects form submissions that contain invalid data.

4. 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;
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;

5. You are implementing an ASP.NET Dynamic Data Web site.
The Web site includes a data context that enables automatic scaffolding for all tables in the data model.
The Global.asax.cs file contains the following code segment. public static void RegisterRoutes
(RouteCollection routes) { {
routes.Add(new DynamicDataRoute("{table}/ListDetails.aspx") {
Action = PageAction.List,
ViewName = "ListDetails",
Model = DefaultModel
});
routes.Add(new DynamicDataRoute("{table}/ListDetails.aspx") {
Action = PageAction.Details,
ViewName = "ListDetails",
Model = DefaultModel
});
}
You need to display the items in a table named Products by using a custom layout.
What should you do?

A) Add a new Web user control named Products_ListDetails.ascx to the Dynamic Data\EntityTemplates folder of the Web site. In the code-behind file for the control, change the base class from UserControl to System.Web. DynamicData.EntityTemplateUserControl.
B) Add a new folder named Products to the Dynamic Data\CustomPages folder of the Web site. Add a new Web page named ListDetails.aspx to the Products folder.
C) Add a new Web page named Products.aspx to the Dynamic Data\PageTemplates folder of the Web site.
D) Add a new Web user control named Products.ascx to the Dynamic Data\Filters folder of the Web site.
In the code-behind file for the control, change the base class from UserControl to System.Web.
DynamicData.QueryableFilterUserControl.

Solutions:

Question # 1 Answer: A

Question # 2 Answer: C

Question # 3 Answer: D

Question # 4 Answer: B

Question # 5 Answer: B