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最新的 MCTS 070-516 免費考試真題:

1. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application connects to a Microsoft SQL Server 2008 database.
You create classes by using LINQ to SQL based on the records shown in the exhibit:

You need to create a LINQ query to retrieve a list of objects that contains the OrderID and CustomerID
properties.
You need to retrieve the total price amount of each Order record. What are two possible ways to achieve
this goal?
(Each correct answer presents a complete solution. Choose two.)

A) from details in dataContext.Order_Detail group details by details.OrderID into g join order in dataContext.Orders on g.Key equals order.OrderID select new {
OrderID = order.OrderID,
CustomerID = order.CustomerID,
TotalAmount = g.Sum(od => od.UnitPrice * od.Quantity)
}
B) from order in dataContext.Orders group order by order.OrderID into g join details in dataContext.Order_Detail on g.Key equals details.OrderID
select new
{
OrderID = details.OrderID,
CustomerID = details.Order.CustomerID,
TotalAmount = details.UnitPrice * details.Quantity
}
C) dataContext.Order_Detail.GroupJoin(dataContext.Orders, d => d.OrderID, o => o.OrderID,
(dts, ord) => new {
OrderID = dts.OrderID,
CustomerID = dts.Order.CustomerID,
TotalAmount = dts.UnitPrice * dts.Quantity
})
D) dataContext.Orders.GroupJoin(dataContext.Order_Detail, o => o.OrderID, d => d.OrderID,
(ord, dts) => new {
OrderID = ord.OrderID,
CustomerID = ord.CustomerID,
TotalAmount = dts.Sum(od => od.UnitPrice *
od.Quantity)
})

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application uses the ADO.NET Entity Framework to model entities.
You need to ensure that the model and mapping files are not deployed as application resources. What
should you do?

A) Modify the connection string in the application's .config file to refer to the absolute physical path to the .edmx file.
B) Set the value of the .edmx file's Metadata Artifact Processing property to Copy to Output Directory.
C) Modify the connection string in the application's .config file to refer to the relative path to the .edmx file.
D) Set the value of the .edmx file's Build Action property to Copy to Output.

3. You use Microsoft Visual Studio 2010 and Microsoft Entity Framework 4.0 to create an application.
The application connects to a Microsoft SQL Server database. You use the ADO.NET LINQ to SQL model
to retrieve data from the database.
The applications contains the Category and Product entities as shown in the following exhibit:

You need to ensure that LINO to SQL executes only a single SQL statement against the database. You also need to ensure that the query returns the list of categories and the list of products.
Which code segment should you use?
Exhibit:

A) using (NorthwindDataContext dc = new NorthwindDataContext()) { dc.ObjectTrackingEnabled = false;
var categories = from c in dc.Categories
select c;
foreach (var category in categories) { Console.WriteLine("{0} has {1} products", category.CategoryName, category.Products.Count); } }
B) using (NorthwindDataContext dc = new NorthwindDataContext()) { dc.DeferredLoadingEnabled = false;
var categories = from c in dc.Categories
select c;
foreach (var category in categories) { Console.WriteLine("{0} has {1} products", category.CategoryName, category.Products.Count); } }
C) using (NorthwindDataContext dc = new NorthwindDataContext()) { dc.DeferredLoadingEnabled = false;
DataLoadOptions dlOptions = new DataLoadOptions();
dlOptions.AssociateWith<Category>(c => c.Products);
dc.LoadOptions = dlOptions;
var categories = from c in dc.Categories
select c;
foreach (var category in categories) { Console.WriteLine("{0} has {1} products", category.CategoryName, category.Products.Count); } }
D) using (NorthwindDataContext dc = new NorthwindDataContext()) { dc.DeferredLoadingEnabled = false;
DataLoadOptions dlOptions = new DataLoadOptions();
dlOptions.LoadWith<Category>(c => c.Products);
dc.LoadOptions = dlOptions;
var categories = from c in dc.Categories select c;
foreach (var category in categories) { Console.WriteLine("{0} has {1} products", category.CategoryName, category.Products.Count); } }

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create a Microsoft ASP.NET
application.
You want to connect the application to a Microsoft SQL Server Express 2008 database named
MyDatabase.
The primary database file is named MyDatabase.mdf and it is stored in the App_Data folder.
You need to define the connection string. Which connection string should you add to the Web.config file?

A) Data Source=.\SQLEXPRESS; Initial Catalog=MyDataBase; Integrated Security=True; User Instance=True
B) Data Source=localhost; Initial Catalog=MyDataBase; Integrated Security=SSPI; User Instance=True
C) Data Source=.\SQLEXPRESS; AttachDbFilename=|DataDirectory|\App_Data\MyDatabase.mdf; Integrated Security=SSPI; User Instance=True
D) Data Source=.\SQLEXPRESS; AttachDbFilename=|DataDirectory|\MyDatabase.mdf; Integrated Security=True; User Instance=True

5. You use Microsoft .NET Framework 4.0 to develop an ASP.NET application. The application uses
Integrated Windows authentication.
The application accesses data in a Microsoft SQL Server 2008 database that is located on the same server
as the application.
You use the following connection string to connect to the database.
Integrated Security=SSPI; Initial Catalog=AdventureWorks;
The application must also execute a stored procedure on the same server on a database named pubs.
Users connect to the ASP.NET application through the intranet by using Windows-based authentication.
You need to ensure that the application will use connection pooling whenever possible and will keep the
number of pools to a minimum.
Which code segment should you use?

A) command.CommandText = "exec uspLoginAudit;"; using (SqlConnection connection = new SqlConnection( "Integrated Security=SSPI; Initial Catalog=pubs")) {
connection.Open();
command.ExecuteNonQuery();
}
B) command.CommandText = "exec uspLoginAudit;";
using (SqlConnection connection = new SqlConnection( "Integrated Security=SSPI;")) {
connection.Open();
command.ExecuteNonQuery();
}
C) command.CommandText = "USE [pubs]; exec uspLoginAudit;"; using (SqlConnection connection = new SqlConnection( "Integrated Security=SSPI; Initial Catalog=AdventureWorks")) {
connection.Open();
command.ExecuteNonQuery();
}
D) command.CommandText = "USE [pubs]; exec uspLoginAudit;"; using (SqlConnection connection = new SqlConnection( "Initial Catalog=AdventureWorks; Integrated Security=SSPI; MultipleActiveResultSets=True")) {
connection.Open();
command.ExecuteNonQuery();
}