What should you do to change the security context by retaining the same component code?

You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application processes sales order documents. The application contains a component that retrieves the sales order documents from a FTP server and stores the data in a Microsoft SQL Server database. You need to ensure that the component meets the following requirements:

Periodically polls the FTP server to check for new order documents Executes without dependencies on other software components Executes without user interaction
Executes by using a specific security context

Allows system administrators to change the security context by retaining the same component code What should you do?

You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application processes sales order documents. The application contains a component that retrieves the sales order documents from a FTP server and stores the data in a Microsoft SQL Server database. You need to ensure that the component meets the following requirements:

Periodically polls the FTP server to check for new order documents Executes without dependencies on other software components Executes without user interaction Executes by using a specific security context Allows system administrators to change the security context by retaining the same component code. What should you do?

A.
Develop the component as a Web service.

B.
Develop the component as a Windows service.

C.
Develop the component as a Windows application.

D.
Develop the component as a Windows Communication Foundation service.

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