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QUESTION NO:8
You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET
Framework 4 and Microsoft Visual Studio 2010.
You plan to create an Author object that contains a Books property. The Books property contains a large
array of Book objects.
When users browse through author data in the application, they must be able to view all information
related to books written by that author without additional queries.
You need to design a data access strategy that meets the requirement.
Which strategy should you use?
A. lazy loading
B. eager loading
C. optimistic locking
D. pessimistic locking
Correct Answer: B
QUESTION NO:15
You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET
Framework 4 and Microsoft Visual Studio 2010.
During testing of the application, you identify several bottlenecks by using Windows Task Manager and
Windows Performance Monitor.
You need to recommend a system test strategy that will meet the following requirements:
Identify major application workloads.
Identify the functions of the application that are most impacted.
Which testing strategy should you recommend?
A. Usability testing
B. Security testing
C. Stability testing
D. Scalability testing
Correct Answer: D
QUESTION NO:31
You are upgrading a stand-alone Windows Presentation Foundation (WPF) application and an XAML
browser application (XBAP) to Microsoft .NET Framework 4.
You plan to add .NET 4 types and members to both applications.
Both applications consume a common utility assembly that modifies files on a local file system.
The utility assembly requires full trust.
You need to ensure that both applications can use the common utility assembly without any security-
related exceptions.
What should you do?
A. Change the element for the WPF application to the .NET Framework 3.5.
B. Change the element for the XBAP application to the .NET Framework 3.5.
C. Apply the AllowPartiallyTrustedCallersAttribute attribute to the utility assembly.
D. Apply the AllowPartiallyTrustedCallersAttribute attribute to the XBAP application.
Correct Answer: C
QUESTION NO:19
You are developing a Windows application by using Microsoft .NET Framework 4.
You plan to design a diagnostic logging strategy that will be used in a production environment.
You need to ensure that the strategy meets the following requirements:
Enables or disables diagnostic messages by using an application configuration option.
Changes the level of detail in the diagnostic messages without recompiling the application.
Which class should you use?
A. Trace
B. Debug
C. Contract
D. EventLog
Correct Answer: A
QUESTION NO:34
You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET
Framework 4 and Microsoft Visual Studio 2010.
The application contains a COM component.
You plan to deploy the application to several client computers by using read-only media.
You need to ensure that the COM component is registered during deployment of the application.
Which deployment technology should you use?
A. XCopy
B. Microsoft Windows Installer (MSI)
C. ClickOnce along with full trust
D. ClickOnce along with partial trust
Correct Answer: B
QUESTION NO:22
You are designing a Windows Presentation Foundation (WPF) application for your company by using
Microsoft .NET Framework 4 and Microsoft Visual Studio 2010.
The business layer of the application is implemented by using Windows Communication Foundation
(WCF).
You plan to support non-repudiation and data integrity for WCF messages.
You need to design the security strategy for the application.
What should you do?
A. Attach a digital signature to the WCF messages.
B. Encrypt the WCF messages by using the Secure Sockets Layer (SSL) protocol.
C. Encrypt the WCF messages by using the Internet Protocol Security (IPSec) protocol.
D. Implement message-level security by using digital certificates as client computer credentials.
Correct Answer: A
QUESTION NO:11
You are developing a Windows application by using Microsoft .NET Framework 4, Microsoft Visual Studio
2010, and Microsoft SQL Server 2008.
The application will store data in a SQL Server database instance.
You plan to use the Code Generation technology to develop data entities.
You need to ensure that the following requirements are met:
When the application runs, a database must be created if it does not already exist.
When the database schema changes, data entities must be added dynamically.
Which data access technology should you use?
A. LINQ to SQL
B. ADO.NET Data View
C. ADO.NET Typed DataSets
D. ADO.NET Entity Framework
Correct Answer: A
QUESTION NO:18
You are designing a Windows Presentation Foundation (WPF) application by using Microsoft .NET
Framework 4 and Microsoft Visual Studio 2010.
You need to ensure that the following requirements are met:
All UI elements are labeled.
All property values are exposed.
Keyboard navigation contains tab stops for all controls.
The application functions on high contrast displays.
Which testing strategy should you recommend?
A. Stress testing
B. Stability testing
C. Usability testing
D. Accessibility testing
Correct Answer: D
QUESTION NO:3
You are designing an application by using Microsoft .NET Framework 4, Microsoft Visual Studio 2010, and
Microsoft SQL Server 2008.
The application will be used by a sales team to enter sales orders and update customer information.
You need to ensure that the application meets the following requirements:
Allows users to enter sales orders while their computers are disconnected from the network
Uploads sales orders to the server database when connected to the network
Compiles against the .NET Framework 4 client profile
What should you use?
A. XML files
B. WCF services
C. Microsoft Sync Framework
D. the System.Web.Caching namespace classes
Correct Answer: C
QUESTION NO:6
You are designing a Windows application by using Microsoft .NET Framework 4 and Microsoft Visual
Studio 2010.
You plan to implement control caching to improve the loading time of a control. It is not required to refresh
the content of the control after the application loads. The application will be compiled by using the .NET 4
client profile.
You need to ensure that the following requirements are met:
The control is reusable in multiple forms.
Data in the control is cached when the application is loaded.
What should you do?
A. In the Load event of the application window, add code to load the control. Save the control to an
instance variable.
B. In the Load event of the application window, add code to load the control. Save the control to the cache
by using objects in the System.Web.Caching namespace.
C. In the constructor of the application window, add code to load the control. Save the control to a static
variable.
D. In the constructor of the application window, add code to load the control. Save the control to the cache
by using objects in the System.Web.Caching namespace.
Correct Answer: C
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