070-518 무료 덤프문제 온라인 액세스

You are designing a Windows application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
You plan to implement control caching to improve the loading time of a control. It is not required to refresh the content of the control after the application loads.
The application will be compiled by using the .NET 4 client profile.
You need to ensure that the following requirements are met:
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The control is reusable in multiple forms.
Data in the control is cached when the application is loaded.
What should you do?

• A.In the constructor of the application window, add code to load the control. Save the control to a static variable.
• B.In the Load event of the application window, add code to load the control. Save the control to the cache by using objects in the System.WeB.Caching namespace.
• C.In the Load event of the application window, add code to load the control. Save the control to an instance variable.
• D.In the constructor of the application window, add code to load the control. Save the control to the cache by using objects in the System.WeCaching namespace.

You are designing an application by using Windows Presentation Foundation (WPF) and
Microsoft .NET Framework 4.
The user interface (UI) tier of the application will be implemented in WPF.
The middle tier of the application is implemented by using an existing COM component.
The middle tier contains a long-running method named ProcessDatA.
You need to ensure that users can continue to use the UI while ProcessData is running.
What should you do?

• A.Call the DoEvents method of the Application class before invoking ProcessDat
• B.Use the Invoke method of the Dispatcher class to call ProcessDatA.
• C.Call the Run method of the Dispatcher class before invoking ProcessDatA.
• D.Use an asynchronous worker thread to call ProcessDatA.

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An existing Windows application uses a Windows Communication Foundation (WCF) Web service that is available only to employees.
You have the following requirements:
Make the WCF Web service available to business partners.
Enable business partners to send a profile token.
Ensure that the currently deployed application continues to function.
You need to recommend a solution that meets the requirements.
What should you recommend?

• A.Use SOAP headers to pass the profile token to the service operations.
• B.Convert the WCF Web service to a Duplex service that implements a callback to accept the profile token.
• C.Implement the WCF Web service as a REST service.
• D.Modify the WCF Web service operations to accept the profile token as an additional parameter.

You are designing a Windows Presentation Foundation (WPF) client application from which
employees will access a Web service.
Business partners will access the Web service by using proprietary client applications.
You need to recommend a solution for ensuring the integrity of data in the system.
What should you recommend?

• A.Implement data validation at the service layer and reject invalid datA.
• B.Secure the Web service by using SSL.
• C.Implement data validation on the client and reject invalid datA.
• D.Encrypt data while storing it in the database.

You are designing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The application is used mostly in a disconnected scenario. The application requires offline data from a Microsoft SQL Server 2008 database. When the application connects to the network, data will be modified and synchronized.
You need to ensure that the application does not access the database server directly to synchronize data when online.
Which technology should you use?

• A.ADO.NET Sync Services
• B.SQL Server Merge Replication
• C.WCF Data Service
• D.Remote Data Access