Exam 70-518 questions and answers

Microsoft PRO: Design & Develop Wndws Apps Using MS .NET Frmwrk 4 70-518
Exam Number/Code : 70-518
Exam Name : PRO: Design & Develop Wndws Apps Using MS .NET Frmwrk 4
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Questions and Answers : 239Q&As
Update Time : 2014-12-17
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This test is intended for using Microsoft Visual Studio. NET 2010 and Microsoft. NET Framework 4 development team developing desktop applications in the context of job candidates. Candidates should have at least three years of experience in application development, including one to two years experience in developing Windows-based applications. Candidates should have a thorough understanding of. NET Framework 3.5 and 4 in the Windows Presentation Foundation and Windows Forms technologies.

This preparation guide is subject to change without prior notice, Microsoft’s own specific changes to decide. Microsoft exam might involve adaptive test technology and simulation questions. Microsoft does not specify the examination form. Use this exam guide, please prepare for the exam, for a variety of forms of exam preparation. To help you prepare for the exams, Microsoft recommends that you accumulate experiences associated with this product, and using the specified training resources. These training resources may not cover “study skills” section lists all of the topics.

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1.You are designing the data access layer (DAL) for an application that uses Microsoft SQL Server 2008,
Microsoft ADO.NET, and Microsoft Visual Studio 2010.
Conflicts are occurring in the SQL Server database due to concurrent updates.
You need to design a database locking strategy that meets the following requirements:
Resolves concurrent update conflicts without loss of data
Ensures that data conflicts can be resolved by users
Locks only the data necessary for updates
What should you do?
A.Use optimistic locking.Terminate the update when a DBConcurrencyException occurs.
B.Use pessimistic locking.Terminate the update when a DBConcurrencyException occurs.
C.Use pessimistic locking.Retry the failing update operation in the DBConcurrencyException exception
handler until it succeeds.
D.Use optimistic locking.In the DBConcurrencyException exception handler, display the data of both
original and updated records to the user.Allow the user to resolve the conflicts.
Answer: D

2.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 servicesA.Microsoft Sync Framework
C.the System.Web.Caching namespace classes
Answer: C

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