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Microsoft 70-518 Exam Syllabus Topics:

Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 Sample Questions:

1. You are packaging updates for multiple Windows Presentation Foundation (WPF) applications by using Microsoft .NET Framework 4.
Updates to the applications and to third-party control files are available. Updates to the applications have dependencies upon updates to the third-party control files. An update script is run at logon that allows only a single command to be executed.
You need to package the application updates and updates to the third party controls to ensure that they are successfully installed.
What should you do?

A) Prepare the installers for individual application updates and include the third-party control files as individual files.
B) Prepare the installers for individual application updates and include the third-party control files as a merge module.
C) Package application updates as a single installer. Package third-party control files as a merge module.
D) Package application updates as a single installer. Package third-party control files as a
separate installer.

2. You are designing an n-tier solution that includes a Windows Presentation Foundation (WPF) client application. The WPF application connects to a middle-tier server that runs the data access layer.
The data access layer connects to a Microsoft SQL Server 2008 database and to a mainframe-based database.
The mainframe-based database will be replaced in one year.
You have the following requirements:
---
Centrally manage all database connections.
Minimize changes to the code base when the database is replaced.
Ensure that the WPF application will not need to be redeployed when the database
is replaced.
You need to recommend an approach for designing the data access layer.
What should you recommend?

A) Create a data access layer class that uses a database factory class to access all databases. Add the connection string information for the databases to the configuration file for the data access layer class.
B) Create a data access layer class that uses a database factory class to access all databases. Add the connection string information for the databases to the configuration file for the WPF application.
C) Add the connection string information for the databases to the configuration file for the WPF application. Implement a database factory class from within the WPF application.
D) Add the connection string information for the databases to the configuration file for the WPF application. Implement one class in the WPF application for each data source.

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

4. You are designing a .NET Framework 4 solution that includes a Windows Presentation Foundation (WPF) application, a Windows service, and a private assembly shared by the WPF application and by the Windows service.
The solution stores data in a local Microsoft SQL Server Compact 3.5 database. The WPF application and Windows service will each access the database directly. The solution will be installed by using Windows Installer.
You have the following requirements:
- The installer must allow users to specify the installation folders for the WPF application and for the database. - The solution must support the deployment of updates to the WPF application without restarting the Windows service.
You need to recommend an approach for installing the solution.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A) Install the Windows service to the same folder as the WPF application.
B) Install the Windows service to a different folder from the WPF application.
C) In the installer, set an environment variable that defines the database installation path.
D) In the installer, create a registry key that stores the WPF application installation path.

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

Solutions: