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 a Microsoft ASP.NETWeb application by using the Microsoft .NET Framework
version 3.5.The computer that hosts the ASP.NET Web application contains a local instance
of Microsoft SQL Server 2005. The instance uses Windows Authentication. You plan to
configure the membership providers and the role management providers.You need to install
the database elements for both the providers on the local computer. What should you do?

You create an application for an online store by using the Microsoft .NET Framework 3.5
and Microsoft ADO.NET.You write the following code segment. (Line numbers are
included for reference only.)
01 DataTable dtProducts = new DataTable();
02 dtProducts.Columns.Add(“ProductID”);
03 dtProducts.Columns.Add(“ProductName”);
04 dtProducts.Columns.Add(“CategoryID”);
05 dtProducts.Rows.Add(1, “Milk”, 1);
06 dtProducts.Rows.Add(2, “Beef”, 2);
07 dtProducts.Rows.Add(3, “Butter”, 1);
08 dtProducts.Rows.Add(4, “Sausage”, 2);
09 DataTable dtCategories = new DataTable();
10 dtCategories.Columns.Add(“CategoryID”);
11 dtCategories.Columns.Add(“CategoryName”);
12 dtCategories.Rows.Add(1, “Dairy products”);
13 dtCategories.Rows.Add(2, “Meat”);
14 var products = dtProducts.AsEnumerable();
15 var categories = dtCategories.AsEnumerable();
16
17 foreach (var element in result) {
18 Console.WriteLine(element);
19 }
When the dtProducts DataTable has the same value in the CategoryID column as the
dtCategories DataTable, the DataTables are related.You need to display for each product,
the product information and the product category. Which code segment should you insert at line 16?

You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application exposes a Windows Communication Foundation (WCF) service. The service will be consumed by a client-side code that runs in the Web pages of an ASP.NET AJAX Web application. You need to ensure that data serialization between the service and the application incurs minimum latency. Which data format should you use?