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QUESTION NO:16

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. Use a local log file.

B. Use the Microsoft Sync Framework.

C. Log the errors to a Web service.

D. Log the errors to the Windows System event log.

Correct Answer: B

QUESTION NO:33

You have developed a Windows Forms server application by using Microsoft .NET Framework 4.

Client applications connect to the server application to receive streaming media on demand on a single

server. Each incoming connection is launched on a separate thread.

As the number of client applications increases, users report that connection attempts intermittently fail.

You need to ensure that users can connect to the server application even when the number of client

applications increases.

What should you do?

A. Add additional RAM to the server. Increase the size of the thread pool.

B. Add additional RAM to the server. Decrease the size of the thread pool.

C. Install a network load balancer. Increase the size of the connection pool.

D. Install a network load balancer. Decrease the size of the connection pool.

Correct Answer: A

QUESTION NO:21

You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET

Framework 4 and Microsoft Visual Studio 2010.

The application will consist of a user interface (UI) tier and a middle tier. The middle tier will be

implemented by using Windows Communication I Foundation (WCF).

Each method in the middle tier will contain the following catch block.

Catch (Argument-NullException e)

{

thcow e;

}

When testing the application, you discover that all ArgumentNullExceptions exceptions that occur in the

middle tier do not contain accurate stack trace information.

You need to design the exception handling strategy for the application.

What should you do?

A. Create an ArgumentFMullException handler in the UI tier.

B. Use a DispatcherUnhandledExceptionEvent handler in the UI tier.

C. Use a DispatcherUnhandledExceptionEvent handler in the middle tier.

D. Remove the exception parameter from the ArgumentNullException handler.

Correct Answer: D

QUESTION NO:9

You are developing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio

2010.

You plan to use Microsoft Sync Framework to synchronize the data stored in a local Microsoft SQL Server

Compact Edition database with the data stored in a centralized SQL Server 2008 database.

Four columns are added to each table involved in the synchronization process to track changes to the

database.

You add the following four columns to the database table.

Users report that the synchronization process is not always successful.

You need to ensure that the application synchronizes data successfully.

What should you do?

A. Option A

B. Option B

C. Option C

D. Option D

Correct Answer: A

QUESTION NO:1

You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET

Framework 4 and Microsoft Visual Studio 2010.

You plan to create a Customer object that contains an Orders property. The Orders property contains an

array of Order objects.

When users browse Customer objects, they must be able to optionally view Order objects.

You need to design a data access strategy that retrieves data only when necessary.

Which strategy should you use?

A. lazy loading

B. eager loading

C. file streaming

D. pessimistic locking

Correct Answer: A

QUESTION NO:5

You are developing a Windows application by using Microsoft .NET Framework 4, Microsoft Visual Studio

2010, and Microsoft SQL Server 2008. New features that require changes to be made to the database

schema are added to the application every week.

You need to ensure that the changes made to the database schema do not require the application to be

recompiled.

Which two actions should you perform? (Each correct answer presents part of the solution.

Choose two.)

A. Modify the xml mapping file when the schema changes occur.

B. Modify the conceptual schema xml file when the schema changes occur.

C. Build a storage model and use it to access data from the business entities.

D. Build a conceptual model and use it to access data from the business entities.

Correct Answer: AD

QUESTION NO:38

You are creating a Windows Presentation Foundation (WPF) application by using Microsoft .NET

Framework 4.

You need to ensure that when the user attempts to run the application, the user cannot use the application

if a new version of the application is available.

What should you do?

A. Deploy the application by using the XCopy technology.

B. Create a Custom Action within the MSI package to check for updates.

C. Use the ClickOnce technology along with the Search for updates during application startup setting.

D. Use a BackgroundWorker object on an application load to connect to a Background Intelligent Transfer

Service (BITS) service.

Correct Answer: C

QUESTION NO:51

You are designing a .NET Framework 4 solution. The solution contains a Windows Presentation

Foundation (WPF) application and a Windows Communication Foundation (WCF) Web service. The WPF

application uses the WCF Web service to store data in a Microsoft SQL Server 2008 database.

You have the following requirements:

Ensure that the WPF application functions while users’ computers are offline.

Minimize the time spent sending data to the WCF Web service.

Minimize disk space requirements for data storage.

You need to recommend an approach for synchronizing data between the WPF application and the

database.

Which two actions should you recommend? (Each correct answer presents part of the solution.

Choose two.)

A. Store data in custom business objects. Serialize data locally by using custom serialization.

B. Create a local caching solution that periodically checks for Internet connectivity, uses local memory,

and batches changes to the WCF Web service.

C. Create a local caching solution that periodically checks for Internet connectivity and writes directly to

the local data store and to the WCF Web service.

D. Store data in DataSet objects. Serialize data locally by using XML serialization.

Correct Answer: AC

QUESTION NO:39

You are developing a Windows Presentation Foundation (WPF) application by using Microsoft .NET

Framework 4 and Microsoft Visual Studio 2010.

The application will run in a partially trusted sandbox.

You plan to deploy the application on client computers by using the ClickOnce deployment technology.

You plan to sign the deployment and application manifest by using a trusted publisher certificate. You need

to ensure that the following requirements are met:

Users are not prompted for elevated permissions during application deployment.

The application can request elevated permissions at runtime.

Where should you install the trusted publisher certificate?

A. in the trusted root store on the deployment server

B. in the trusted publisher store on the deployment server

C. in the trusted root store on each client computer

D. in the trusted publisher store on each client computer

Correct Answer: D

QUESTION NO:40

You have developed a Windows application by using Microsoft .NET Framework 4, Windows Presentation

Foundation (WPF), and Microsoft SQL Server 2008.

The application is deployed as an XAML Browser Application (XBAP) and executes in the Internet Zone in

Internet Explorer. The application updates data in a SQL Server 2008 database. Users report that a

SecurityException exception occurs when the application attempts to save data to the database.

You need to design a solution to resolve the problem.

What should you do?

A. Redesign the XBAP application by using partial trust.

B. Redesign the XBAP code to utilize stored procedures.

C. Design a WCF Service tier to provide database access.

D. Design a data access layer that uses ASP.NET Entity Framework to communicate with the database

by using the System.Data.SqICIient class.

Correct Answer: C

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