Patrick works as a Software Developer for GenTech Inc. He develops an application, named App1, using Visual C# .NET. He implements security using the security classes of the .NET Framework. He defines the following statements in the application:
PrincipalPermission Principal_Perm1 = new PrincipalPermission("Nick", "General
Manager");
PrincipalPermission Principal_Perm2 = new PrincipalPermission("Jack", "Accountant");
Patrick wants to check whether all demands that succeed for Principal_Perm1 also succeed for Principal_Perm2. Which of the following methods of the PrincipalPermission class will he use to accomplish this?

• A. IsSubSetOf
• B. Union
• C. IsUnrestricted
• D. Intersect

You work as a Windows Application Developer for ABC Inc. The company uses Visual Studio .NET as its application development platform. You create a Windows application using the .NET Framework. The application contains many controls. You add an ErrorProvider component named errorPro and a DateTimePicker control named datePick to the application. You are required to configure the application to display an error notification icon next to datePick when a user enters a date that is greater than today's date. What will you do to accomplish this task?
Each correct answer represents a part of the solution. Choose two.

• A. Create an event handler named verifyDate for the Validated event of datePick.
• B. In the verifyDate event handler, call errorPro.SetError(datePick, "") if the datePick.Value is greater than today's date.
• C. In the verifyDate event handler, call errorPro.SetError(datePick, "Date is greater then today's date") if the value of datePick value is greater than today's date.
• D. Create an event handler named verifyDate for the Validating event of datePick.

David works as a Software Developer for GenTech Inc. He creates an XML Web service, named MyWebService, using Visual Studio .NET. MyWebService uses Microsoft Windows authentication. Users of MyWebService are in the GenTech domain. David wants to configure MyWebService to use the following URL-based authorization rules:
l Anonymous users must not be allowed to access MyWebService.
l All the users except User1 and User2 must be allowed to access MyWebService.
David configures Internet Information Services (IIS) to meet these requirements. Which of the following code will David use to configure the authorization section of the Web.config file for MyWebService?

• A. <authorization>
  <allow users="*">
  <deny users="GenTechUser1, GenTechUser2">
  <deny users="?">
  </authorization>
• B. <authorization>
  <deny users="GenTechUser1, GenTechUser2">
  <allow users="*">
  </authorization>
• C. <authorization>
  <deny users="GenTechUser1, GenTechUser2">
  <deny users="?">
  <allow users="*">
  </authorization>
• D. <authorization> <deny users="GenTechUser1, GenTechUser2"> <allow users=''*''> <deny users="?"> </authorization>
• E. <authorization>
  <allow users="*">
  <deny users="GenTechUser1, GenTechUser2">
  </authorization>

Charles works as a Web Developer for Cyber Net Inc. The company frequently receives production information from external vendors in the form of XML data. Charles stores these XML data in a disk container of the Web server as .xsd schema files and .xdr schema files. There are specific rules for writing XML codes to define the structure and data types for XML documents. Which of the following criteria should NOT be considered while writing an XML document?
Each correct answer represents a complete solution. Choose all that apply.

• A. An XML document should have predefined elements and attributes.
• B. A well-formed XML document should contain a start tag and an end tag.
• C. An XML document should be specified according to the application or business requirement s.
• D. An XML document must enclose the beginning and ending points of a tag by using the symbols '<' and '>' respectively.
• E. A well-formed XML document should contain a start tag but not necessarily an end tag.

Julia works as a Software Developer for Mansoft Inc. She develops an application using Visual Studio .NET. The application uses a method named MyMethod, which is located in an unmanaged DLL. Julia wants MyMethod to require the application to allocate unmanaged memory, fill the data, and pass the memory address to the application. She also wants to ensure that on returning from MyMethod, the application de-allocates the unmanaged memory. What will Julia do to accomplish the task?

• A. Use the Marshal class.
• B. Use a byte array.
• C. Use the methods of the MemoryStream class.
• D. Derive a new class from the Stream class, and override the allocation methods.