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Microsoft 70-518 Exam Syllabus Topics:

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

Question 1

You are designing a .NET Framework 4 solution that contains a Windows Presentation Foundation (WPF) application and a Windows Communication Framework (WCF) Web service.
The WPF application will be deployed to users1 desktops located in the company's corporate network. The WCF Web service will be deployed to a Web farm located in the company's perimeter network. The firewall between the perimeter network and the Internet allows only HTTP and HTTPS traffiC.
You need to recommend an approach for minimizing the attack surface of the WCF Web service.
What should you recommend?

A. Add a load-balancing router to the Web farm configuration.
B. Set up an SSL certificate on the server.
C. Configure a WCF endpoint to use the basicHttpBinding binding.
D. Configure a WCF endpoint to use the NetTcpBinding binding.

Question 2

You are designing an application by using Windows Presentation Foundation (WPF) and Microsoft .NET Framework 4.
The application retrieves customer data from an enterprise resource planning (ERP) system.
You need to ensure that the following requirements are met:
---
Customer data is retrieved only once.
Customer data is available on multiple forms within the application.
Forms can implement Two-Way binding to the customer datA.
What should you do?

A. Design a static class for the data that implements the IObservable interface. Subscribe to the static class from each of the forms that use the datA.
B. Store the results of the query in a static Data Table object that is used by all the forms.
C. Store the results of the query in a local XML file. Bind all forms to an XMLDataAdapter object that references the local XML file.
D. Design a static class for the data that implements the INotifyPropertyChanged interface. Raise the PropertyChanged event to notify the forms when data is changed.

Question 3

You are designing a Windows Presentation Foundation (WPF) application. The main window of the WPF application includes two panels: panel1and panel2.
The WPF application must meet the following requirements:
- Panel2 must be enabled only after users have entered values into multiple text boxes in panel1. - The background color of panel2 must be set to a specific color based on oneof the text box values in panel1. - The background color of panel2 must be set at the same time the panel is enabled.
You need to recommend an approach for meeting the requirements.
What should you recommend?

A. Use a Data Template object.
B. Use Dependency properties.
C. Use a MultiDataTrigger object.
D. Use a Command object.

Question 4

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. Disable batch updates. Modify the client application to perform a single update.
D. Insert a random time interval between updates.

Question 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. Stress testing
B. Buffer overflow testing
C. Integration testing
D. Component stress testing

Solutions: