You use Microsoft .NET Framework 4 to create a Windows Forms application.
You write the following code segment. (Line numbers are included for reference only.)
01sealed class FormSettings :
ApplicationSettingsBase
02{
03
04public String Description
05{
06get { return (String)this[“Description”]; }
07set { this[“Description”] = value;}
08}
09}
You need to ensure that the first time each user opens the application, a text field displays the following message: “Please enter your setting.”
Which code segment should you insert at line 03?

You use Microsoft .NET Framework 4 to create a Windows Forms client application.
You write the following code segment.
sealed class FormSettings : ApplicationSettingsBase {
[UserScopedSetting()]
[DefaultSettingValue(“225, 200”)]
public Size FormSize
{
get { return (Size)this[“FormSize”]; }
set { this[“FormSize”] = value; }
}
}
The application contains a form of type Form1 that contains a FormSettings object named frmSettings1.
You need to maintain the user’s form size preference each time the user executes the application.
Which code segment should you use?

You upgrade a Windows Forms application to Microsoft .NET Framework 4. The application was developed
by using a previous version of the .NET Framework. The application uses the Code
Access Security (CAS) policy for file access.
When the application is executed, you receive the following exception:
“NotSupportedException: This method uses CAS policy, which has been obsoleted by the .NET Framework.”
You need to resolve the error.
What should you do?

You use Microsoft .NET Framework 4 to create an application.
The application contains a partially trusted client assembly and a server assembly.
You create a custom sandboxed application domain.
You need to ensure that the application can be executed in a partial-trust environment.
What should you do?

You use Microsoft .NET Framework 4 to create a Windows Forms application.
You created a new application, you then wrote the code below:

Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture;

Which of the following options are TRUE?