Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 : 70-518

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Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 70-518 Prüfungsfragen mit Lösungen:

1. 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.

2. You are designing a Windows Presentation Foundation (WPF) client application from which
employees will access a Web service.
Business partners will access the Web service by using proprietary client applications.
You need to recommend a solution for ensuring the integrity of data in the system.
What should you recommend?

A) Secure the Web service by using SSL.
B) Implement data validation at the service layer and reject invalid datA.
C) Implement data validation on the client and reject invalid datA.
D) Encrypt data while storing it in the database.

3. You are designing an application by using Windows Presentation Foundation (WPF) and Microsoft .NET Framework 4.
You create a control named HelpViewer to view the Help documentation of the application. The HelpViewer control must be available to all windows in the application.
You need to ensure that the application allows users to perform the following tasks:
- Bookmark their location in the documentation and return to the bookmark from any
window.
- Hide the HelpViewer control.
- Dock the HelpViewer control.
You create a main window as a base class.
What should you do next?

A) Add the HelpViewer control to a DockPanel control at runtime.
Inherit all other window classes in the application from the main window base class.
B) Add the HelpViewer control to the window at runtime.
Inherit all other window classes in the application from the main window base class.
C) Add the HelpViewer control and a Frame control to a DockPanel control to the window at runtime.
Create all other windows in the application as pages and host them in the Frame control.
D) Add the HelpViewer control and a Frame control to a StackPanel control to the window at runtime.
Create all other windows in the application as pages and host them in the Frame control.

4. 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 a MultiDataTrigger object.
C) Use a Command object.
D) Use Dependency properties.

5. 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.

Fragen und Antworten: