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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 designing an n-tier Windows solution that includes a data entry application. The solution uses Microsoft .NET Framework 4 and Microsoft SQL Server 2008.
The data entry application sends customer orders to a middle-tier server. The middle-tier server sends orders to a set of services that perform operations on the orders. Business rules determine which services to call and whether to run them in sequence or in parallel. The business rules are complex and data dependent.
The Windows solution must meet the following requirements:
- Optimize application performance by using dynamic load balancing. - Allow for business rules to be changed at runtime.
You need to recommend an approach that meets the requirements.
What should you recommend?

A) A routed service that uses Windows Communication Foundation (WCF) messaging
B) SQL Server stored procedures
C) A Windows Communication Foundation (WCF) service for each operation, with a controller class on the middle-tier server
D) Private message queues with a controller class on the middle-tier server

2. You are designing a sales and inventory tracking system by using Microsoft Visual Studio 2010 and Microsoft SQL Server 2008.
The sales, inventory, and shipping tables will reside in different databases on different
database servers.
You need to ensure that the tables are updated simultaneously.
What should you do?

A) Use Distributed transactions.
B) Use LINQ to SQL.
C) Use Microsoft Sync Framework.
D) Use the ADO.NET Entity Framework.

3. You are upgrading a stand-alone Windows Presentation Foundation (WPF) application and an XAML browser application (XBAP) to Microsoft .NET Framework 4.
You plan to add .NET 4 types and members to both applications.
Both applications consume a common utility assembly that modifies files on a local file system. The utility assembly requires full trust.
You need to ensure that both applications can use the common utility assembly without any security-related exceptions.
What should you do?

A) Change the <supportedRuntime> element for the XBAP application to the .NET Framework 3.5.
B) Apply the AllowPartiallyTrustedCallersAttribute attribute to the XBAP application.
C) Apply the AllowPartiallyTrustedCallersAttribute attribute to the utility assembly.
D) Change the <supportedRuntime> element for the WPF application to the .NET Framework 3.5.

4. You are designing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
You plan to design an instrumentation strategy for the application.
You need to ensure that the strategy meets the following requirements:
- Captures detailed performance information. - Enables or disables diagnostic messages by using an application configuration option without requiring the application to restart.
What should you design?

A) A custom trace listener
B) A custom performance counter
C) An override to the EventLog class
D) An override to the Debug class

5. You are reviewing an existing Windows application that uses .NET Framework 4.
When the user clicks a button, the application sequentially processes thousands of image
files contained in a directory.
The user interface becomes unresponsive while the application processes the files.
You have the following requirements:
---
Modify the button's click event.
Increase application throughput by processing multiple image files concurrently.
Ensure that the user interface remains responsive while the application processes
the image files.
You need to recommend an approach for meeting the requirements.
What should you recommend?

A) Iterate over the image files. For each image file, use the Process.Start() method to launch a console application that processes the image file.
B) Use the ThreadPool.QueueUserWorkItem() method to queue up a single work item that uses the Parallel.ForEach () method to process the image files concurrently.
C) Iterate over the image files by using the Parallel.ForEach() method. For each image file, start a separate thread that processes the image file, by using the Thread.Start()method.
D) Use the Parallel.ForEach() method to process the images concurrently.

Solutions: