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最新的 MCTS 70-516 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 database. The application stores user names and
passwords in the database.
You need to ensure that users cannot read passwords extracted from the database. What should you do?

A) Append a random salt to the password by using the RNGCryptoServiceProvider class. Hash stored passwords by using the SHA1CryptoServiceProvider class.
B) Append a random salt to the password by using the RNGCryptoServiceProvider class. Encrypt stored passwords by using the RijndaelManaged class.
C) Encrypt stored passwords by using the TripleDESCryptoServiceProvider class.
D) Encrypt stored passwords by using the RC2CryptoServiceProvider class.

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
You use a TableAdapter object to load a DataTable object.
The DataTable object is used as the data source for a GridView control to display a table of customer
information on a Web page.
You need to ensure that the application meets the following requirements:
-Load only new customer records each time the page refreshes.
-Preserve existing customer records. What should you do?

A) Set the ClearBeforeFill property of the TableAdapter to false. Use the GetData method of the TableAdapter to create a new DataTable.
B) Set the ClearBeforeFill property of the TableAdapter to true. Use the GetData method of the TableAdapter to create a new DataTable.
C) Set the ClearBeforeFill property of the TableAdapter to true. Use the Fill method of the TableAdapter to load additional customers.
D) Set the ClearBeforeFill property of the TableAdapter to false. Use the Fill method of the TableAdapter.

3. The application must be configured to run on a new development computer.
You need to configure the connection string to point to the existing named instance.
Which connection string fragment should you use?

A) Initial Catalog= SQL01\INST01
B) Data Source=SQL01\INST01
C) Initial Catalog= INST01\SQL01
D) Data Source=INST01\SQL01

4. You use Microsoft .NET Framework 4.0 to develop an application that connects to a Microsoft SQL Server
2008 database.
The application includes a table adapter named taStore, which has the following DataTable.

There is a row in the database that has a ProductID of 680. You need to change the Name column in the
row to "New Product Name".
Which code segment should you use?

A) var dt = new taStore.ProductDataTable(); var ta = new taStoreTableAdapters.ProductTableAdapter(); ta.Fill(dt); taStore.ProductRow row = (taStore.ProductRow)dt.Rows.Find(680) ; row.Name = "New Product Name"; ta.Update(row);
B) var dt = new taStore.ProductDataTable(); var row = dt.NewProductRow(); row.ProductID = 680; row.Name = "New Product Name"; dt.Rows.Add(row) ;
C) var ta = new taStoreTableAdapters.ProductTableAdapter(); var dt = ta.GetData(); var row = dt.Select("680") ; row[0]["Name"] = "New Product Name"; ta.Update(row);
D) var dt = new taStore.ProductDataTable(); var ta = new taStoreTableAdapters.ProductTableAdapter(); ta.Fill(dt); var dv = new DataView(); dv.RowFilter = "680"; dv[0]["Name"] = "New Product Name"; ta.Update(dt);

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create a Windows Forms
application.
The application connects to a Microsoft SQL Server database.
You need to find out whether the application is explicitly closing or disposing SQL connections. Which code
segment should you use?

A) string instanceName = Assembly.GetEntryAssembly().GetName().Name; PerformanceCounter perf = new PerformanceCounter( ".NET Data Provider for SqlServer",
"NumberOfNonPooledConnections", instanceName, true); int leakedConnections = (int)perf.NextValue();
B) string instanceName = Assembly.GetEntryAssembly().GetName().Name; PerformanceCounter perf = new PerformanceCounter( ".NET Data Provider for SqlServer",
"NumberOfReclaimedConnections", instanceName, true); int leakedConnections = (int)perf.NextValue();
C) string instanceName = Assembly.GetEntryAssembly().FullName; PerformanceCounter perf = new PerformanceCounter( ".NET Data Provider for SqlServer",
"NumberOfReclaimedConnections", instanceName, true); int leakedConnections = (int)perf.NextValue();
D) string instanceName = Assembly.GetEntryAssembly().FullName; PerformanceCounter perf = new PerformanceCounter( ".NET Data Provider for SqlServer",
"NumberOfNonPooledConnections", instanceName, true); int leakedConnections = (int)perf.NextValue();

問題與答案：