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Microsoft 070-518 Exam Syllabus Topics:

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

1. You are analyzing an application that uses Microsoft .NET Framework 4 and Microsoft SQL Server 2008.
The application is used to maintain an inventory database and is accessed from several remote Windows client applications. The application frequently updates multiple rows in a database table by using a DbDataAdapter object.
Users report that the application runs slowly during peak business hours.
When large number of records are changed by multiple users, you discover the following:
The CPU utilization of the client applications is normal.
The network utilization increases slightly.
The CPU utilization of the database server remains close to the normal average
for a day.
You need to resolve the performance issue.
What should you do?

A) Move the update method calls to a separate BackgroundWorker thread.
B) Remove any limit on batch update sizes. Modify the client application to perform a single update.
C) Insert a random time interval between updates.
D) Disable batch updates. Modify the client application to perform a single update.

2. You are designing a .NET Framework 4 solution that includes a Windows Presentation Foundation (WPF) application. The WPF application connects to a Microsoft SQL Server 2008 database. You plan to deploy the WPF application to millions of client computers. The SQL Server database will be hosted in a data center.
The WPF application will query the database to provide type-ahead assistance as users enterdata.
The WPF application will send a query after each character is entered. Each query will access multiple joined tables.
You need to recommend an approach for maximizing scalability of the solution.
What should you recommend?

A) Use System.Runtime.Caching to cache query results on the client.
B) Create stored procedures to abstract the tables.
C) Denormalize the data to fewer tables.
D) Create a separate data layer with caching.

3. You are developing an application by using Microsoft .NET Framework 4 and Microsoft
Visual Studio 2010.
The application contains a grid that displays customer data stored in a database table.
Users report that the grid takes a long time to display.
You plan to implement data caching to improve loading time for the grid.
You need to ensure that the cached data expires when the customer data is updated.
What should you do?

A) Use the System.Runtime.Caching.SqlChangeMonitor class.
B) Use a static variable to store the Grid object.
C) Use theSystem.Web.Caching.CacheDependency class.
D) Use the ADO.NET Entity Framework.

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

5. You are designing a Windows application by using Microsoft .NET Framework 4.
Remote users have limited network connectivity. Users will not have write permissions to
the local file system.
You plan to design the error logging strategy for the application.
You need to ensure that the application can collect error information. You also need to
ensure that the errors can be analyzed from a centralized location. What should you do?

A) Log the errors to a Web service.
B) Log the errors to the Windows System event log.
C) Use the Microsoft Sync Framework.
D) Use a local log file.

Solutions: