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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 designing a Windows Forms application that allows users to search a product catalog and place orders.
You have the following requirements:
--
Display a progress indicator while the application is searching the catalog. Ensure that users can cancel search operations.
You need to recommend an approach that meets the requirements.
What should you recommend?

A) Use a BackgroundWorker component to perform the search.
B) Implement the search as a duplex service.
C) Execute the search on the user interface thread. Provide a Cancel button to cancel the search.
D) Implement the search as a Windows Communication Foundation (WCF) service by usingthe AsyncPattern property of the OperationContractattribute.

2. ---
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) Use the Parallel.ForEach() method to process the images concurrently.
B) 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.
C) Iterate over the image files. For each image file, use the Process.Start() method to launch a console application that processes the image file.
D) Use the ThreadPool.QueueUserWorkItem() method to queue up a single work item that uses the Parallel.ForEach () method to process the image files concurrently.

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

4. 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.

5. You are designing an n-tier .NET Framework 4 solution that includes a Windows Presentation Foundation (WPF) application.
You need to recommend an approach for ensuring that the solution can support 5,000 concurrent users.
What should you recommend?

A) Component stress testing
B) Buffer overflow testing
C) Integration testing
D) Stress testing

Solutions: