You are creating a Windows Forms application by using the .NET Framework 3.5. You write
the following code segment to bind a list of categories to a drop-down list.(Line numbers are
included for reference only.)
01 OleDbConnection cnnNorthwind = new OleDbConnection(connectionString);
02 OleDbCommand cmdCategory = new OleDbCommand( “SELECT CategoryID,
CategoryName FROM Categories ORDER BY CategoryName”, cnnNorthwind);
03 OleDbDataAdapter daCategory = new OleDbDataAdapter(cmdCategory);
04 DataSet dsCategory = new DataSet();
05 daCategory.Fill(dsCategory);
06
You need to ensure that the drop-down list meets the following requirements:
Displays all category names.
Uses the category ID as the selected item value.
Which code segment should you add at line 06?

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

namespace MyServices
{
[ServiceContract()]
interface IManageOrders
{
…
}
}
The service metadata must be exposed at the relative address named meta.

You need to add an endpoint element to the app.config file of the service host. Which code fragment should you add?

You are creating a Windows Forms application by using the .NET Framework 3.5. You plan
to modify a list of orders within a DataGridView control in the application. You need to
ensure that a value is required in the first column of the grid control. Which code segment
should you use?

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You need to host the WCF service on the IIS Web server. First, you create a new folder for your application files. Next, you use the IIS management tool to create a Web application in the new folder. Which three actions should you perform next? (Each correct answer presents part of the solution. Choose three.)

You are creating a Windows Forms application by using the .NET Framework 3.5. You
create a new form in your application. You add a PrintDocument control named pntDoc to
the form.To support the print functionality, you write the following code segment in the
application. (Line numbers are included for reference only.)
01 pntDoc.BeginPrint += new PrintEventHandler(PrintDoc_BeginPrint);
02 …
03 bool canPrint = CheckPrintAccessControl();
04 if (!canPrint) {
05
06 }
07
You need to ensure that the following requirements are met:
When the user has no print access, font and file stream initializations are not
executed and the print operation is cancelled.
Print operations are logged whether or not the user has print access.
What should you do?