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

1. You are designing a Windows Presentation Foundation (WPF) application that accesses a business tier. The business tier is implemented as a Windows Communication Foundation (WCF) service and stores data in a Microsoft SQL Server 2008 database.
The WCF service will be accessed by external applications that do not use the .NET Framework.
You need to recommend an approach for passing data between layers.
What should you recommend?

A) Use the DiffGram XML format.
B) Use custom .NET classes with binary serialization.
C) Use custom .NET classes with XML serialization.
D) Use a DataSet object.

2. 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 each client computer
C) In the trusted root store on each client computer
D) In the trusted publisher store on the deployment server

3. You are modifying an existing Windows Presentation Foundation (WPF) application that uses .NET Framework 4. The WPF application uses a wizard to capture data and insert the data into a database. The database includes one parent table and many child tables.
Inserting captured data in the database locks many database tables and delays application access.
You have the following requirements:
-
Reduce delays when saving datA.
--
Ensure that other application users are not blocked from reading datA. Ensure that captured data is available only after all child tables are updated.
You need to recommend an approach for inserting captured data into the database.
What should you recommend?

A) Insert all captured data in a single transaction when the user completes the wizard.
B) Insert captured data by using a single transaction as the user completes each wizard page.
C) Insert captured data by using optimistic concurrency as the user completes each wizard page.
D) Insert captured data by using non-transactional operations when the user completes the wizard.

4. 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) Integration testing
C) Component stress testing
D) Buffer overflow testing

5. You are designing a Windows Presentation Foundation (WPF) application that accesses a business tier. The business tier is implemented as a Windows Communication Foundation (WCF) service and stores data in a Microsoft SQL Server 2008 database.
The WCF service will be accessed by external applications that do not use the .NET Framework.
You need to recommend an approach for passing data between layers.
What should you recommend?

A) Use the DiffGram XML format.
B) Use custom .NET classes with binary serialization.
C) Use custom .NET classes with XML serialization.
D) Use a DataSet object.

Solutions: