About Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 exam torrent

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

1. You are developing an application by using Microsoft .NET Framework 4.
The application will be used by all employees of your company. Local file stores on the computers are secure and inaccessible remotely.
You need to design a remote monitoring strategy to monitor the usage time of the application by each user.
What should you do?

A) Use the System.Management.Instrumentation namespace to publish startup, shutdown, and user idle time events of the application. Publish the events to Microsoft Operations Manager.
B) Create a TraceLog object by using the System.Diagnostics element in the application configuration file. Add the TraceSource element for startup, shutdown, and user idle time events.
C) Use the System.Management.Instrumentation namespace to issue event queries against methods that pass ProgressEvent and StoppedEvent arguments. Publish the events to the Event Log.
D) Create a TraceLog object and the Trace object by using the System.Diagnostics element to trace startup, shutdown, and user idle time events throughout the application.

2. 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) Disable batch updates. Modify the client application to perform a single update.
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) Move the update method calls to a separate BackgroundWorker thread.

3. You are designing a Windows Presentation Foundation (WPF) application. The WPF application displays indicators to compare your company's past performance to the current day's operationsdata.
The WPF application accesses historic data from your company's data warehouse through a Web service, and accesses current data directly from a Microsoft SQL Server 2008 database.
The WPF application must meet the following requirements:
- Retrieve historic data from the data warehouse at application startup and then once per day.
- Retrieve current data from the database every five minutes, and then update the
indicators.
- Cache all retrieveddata.
- Target the .NET Framework 4 Client Profile.
You need to recommend an approach to data caching.
What should you recommend?

A) UseSystem.Web.Caching with an absolute expiration.
B) UseSystem.Web.Caching with a sliding expiration.
C) Use System.Runtime.Caching with a sliding expiration.
D) Use System.Runtime.Caching with an absolute expiration.

4. You are designing an application by using Windows Presentation Foundation (WPF), Microsoft .NET Framework 4, and Microsoft SQL Server 2008.
The application will contain several forms that include custom data validators.
You need to ensure that data is validated before the database updates occur. You also need to ensure that the validation logic can be reused.
How should you design the validation?

A) Implement the IDataErrorlnfo interface in the data class of the application.
B) Implement the INotifyPropertyChanged interface in the data class of the application.
C) Subscribe to the MouseLeave event for all user interface (UI) components of the application.
Perform data validation in the event handler and alert users when a data entry error occurs.
D) Subscribe to the TextChanged event for all user interface (UI) components of the application.
Perform data validation in the event handler and alert users when a data entry error occurs.

5. ----
You are working with an existing Windows Presentation Foundation (WPF) application in Microsoft Visual Studio 2010. The WPF application requires approximately one minute to initialize before displaying its main window.
You have the following requirements:
Immediately display a splash screen when the WPF application launches.
Allow for the display of an initialization progress bar on the splash screen.
Close the splash screen when the WPF application is ready to display the main
window.
You need to recommend an approach for meeting the requirements.
What should you recommend?

A) Compile an image into the WPF application with a Build Action value of SplashScreen.
B) Create a SplashScreen object. Display the object in the code-behind of the App.xaml file.
C) Launch a custom splash screen by using a Window object. When the initialization completes, launch the main window from the splash screen.
D) Move the initialization code to the code-behind of the main window.

Solutions: