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Microsoft 70-518 Exam Syllabus Topics:

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

1. 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) Remove any limit on batch update sizes. Modify the client application to perform a single update.
B) Insert a random time interval between updates.
C) Disable batch updates. Modify the client application to perform a single update.
D) Move the update method calls to a separate BackgroundWorker thread.

2. You are designing a Windows Forms application. The application connects to a Microsoft SQL Server 2008 database.
You need to recommend an approach for retrieving and logging all informational messages and error messages reported by the database.
What should you recommend?

A) Retrieve informational messages in a SqlException object. Retrieve error messages by creating a handler for the InfoMessage event.
B) Retrieve informational messages by creating a handler for the InfoMessage event. Retrieve error messages in a SqlException object.
C) Retrieve informational messages and error messages by creating a handler for the InfoMessage event.
D) Retrieve informational messages and error messages in a SqlException object.

3. You are designing a Windows Forms application. The application connects to a Microsoft SQL Server 2008 database.
You need to recommend an approach for retrieving and logging all informational messages and error messages reported by the database.
What should you recommend?

A) Retrieve informational messages in a SqlException object. Retrieve error messages by creating a handler for the InfoMessage event.
B) Retrieve informational messages by creating a handler for the InfoMessage event. Retrieve error messages in a SqlException object.
C) Retrieve informational messages and error messages by creating a handler for the InfoMessage event.
D) Retrieve informational messages and error messages in a SqlException object.

4. You are developing a Windows application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The application will consume a Windows Communication Foundation (WCF) service. The WCF service will provide data to the application. You plan to use the ADO.NET Entity Framework to create a data model that will be used by the application.
Another development team makes changes to the WCF service data contract.
You need to ensure that changes made to the WCF service data contract do not require the application to be recompiled.
What should you do?

A) Create a conceptual model and a storage model based on the existing version of the WCF service.
B) Create a storage model based on the schema of the existing WCF service. Update the mapping file when the new version of the WCF service is available.
C) Create a conceptual model based on the business model. Use a class generated from the conceptual model for programming. Update the mapping file when the new version of the WCF service is available.
D) Create a storage model based on the business model. Use a class generated from the storage model for programming,

5. You are designing an update to an existing Windows Presentation Foundation (WPF) application. You plan to use Microsoft Visual Studio 2010. The updated WPF application will require a specific version of a third-party component.
You have the following requirements:
- Deploy the update by using Windows Installer. - Update the WPF application only if the required version of the third-party component is present on the client computer.
You need to recommend configuration settings for the application installer.
Which property should you recommend be set?

A) The Condition property of a new Launch Condition
B) TheRemovePreviousVersions property of the Setup Project
C) The Version property of the Setup Project
D) The Version property of the .NET Launch Condition

Solutions: