Microsoft MCPD 070-518

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Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Framework 4 認定 070-518 試験問題:

1. You are designing a Windows application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The business logic layer of the application is implemented by using Windows Communication Foundation (WCF).
You create a duplex bidirectional WCF service that contains a single operation. The service operation sends the result back to the client application by using a two-way callback operation.
You plan to design a service interaction strategy.
You need to ensure that deadlocks are prevented.
What should you do?

A) Configure the ServiceBehaviorAttribute attribute to use the Synchronization context in the service class.
B) Configure the CallbackBehaviorAttribute attribute to use the Reentrant or Multiple concurrency mode in the callback class.
C) Configure the ServiceBehaviorAttribute attribute to use the Reentrant or Multiple concurrency mode in the service class.
D) Configure the CallbackBehaviorAttribute attribute to use the Synchronization context in the callback class.

2. You are designing a .NET Framework 4 solution that includes a Windows Presentation Foundation (WPF) application. The WPF application connects to a Microsoft SQL Server 2008 database. You plan to deploy the WPF application to millions of client computers. The SQL Server database will be hosted in a data center.
The WPF application will query the database to provide type-ahead assistance as users enterdata.The WPF application will send a query after each character is entered. Each query will access multiple joined tables.
You need to recommend an approach for maximizing scalability of the solution.
What should you recommend?

A) Use System.Runtime.Caching to cache query results on the client.
B) Denormalize the data to fewer tables.
C) Create stored procedures to abstract the tables.
D) Create a separate data layer with caching.

3. 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) Build a storage model and use it to access data from the business entities.
B) Build a conceptual model and use it to access data from the business entities.
C) Modify the conceptual schema xml file when the schema changes occur.
D) Modify the xml mapping file when the schema changes occur.

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

5. 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 INotifyPropertyChanged interface. Raise the PropertyChanged event to notify the forms when data is changed.
B) 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.
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) Store the results of the query in a static Data Table object that is used by all the forms.

質問と回答：