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Download Free Microsoft 70-519 PDF and VCE Updated Today 241-250



Vendor: Microsoft
Exam Code: 70-519
Exam Name: PRO: Designing and Developing Web Applications Using Microsoft .NET Framework 4 Exam
Version: 14.79

QUESTION 241
You are supporting an ASP.NET Web application.
The Web application occasionally shuts down unexpectedly in the production environment.
You cannot reproduce the problem in your local environment.
You need to design a strategy to ensure that you can immediately diagnose the problem without affecting the performance of the production environment.
Which approach should you recommend?

A.    Use ASP.NET tracing.
B.    Use ASP.NET health monitoring.
C.    Use local debugging against the hosting Web server process.
D.    Use remote debugging against the hosting Web server process.

Answer: B


QUESTION 242
You are designing an ASP.NET Web application. A page of the Web application will contain a databound ListView control.
You need to recommend a strategy for accessing individual rows within the ListView control from client-side script based on the value in a specific data field.
What should you recommend?

A.    On the ListView control, set the ClientIDMode property to Static and set the ClientIDRowSuffix property to the name of the data field.
B.    On the @ Page directive, set the SmartMavigation property to True and set the ClientIDMode property to AutoID.
C.    On the ListView control, set the ClientIDMode property to Predictable and set the ClientIDRowSuffix property to the name of the data field.
D.    On the @ Page directive, set the AspCompat property to True and set the ClientIDMode property to Predictable.

Answer: C


QUESTION 243
You are redesigning an existing three-tier ASP.NET Web application that is deployed to a Web server, an application server, and a database server that runs Microsoft SQL Server 2008.
Usage has increased significantly. The application has become slow and occasionally times out. Health monitoring logs indicate that the data access logic on the application server is consuming the majority of the CPU resources.
You need to recommend an approach for addressing the scalability and reliability issues.
Which two actions should you recommend?
(Each correct answer presents part of the solution. Choose two.)

A.    Partition the tables and indexes in the database.
B.    Move the application tier to a Web farm.
C.    Move the Web tier to a Web farm.
D.    Use a clustered database server configuration.

Answer: BD


QUESTION 244
You are designing an ASP.NET MVC 2 Web application. When the Web application is accessed through the . . . /Products/Categories URL, it will display a list of products sorted by category.
You have the following requirements:

- The Web application design must be loosely coupled.
- The Web application must support unit testing of the data layer code.

You need to recommend a location for the code that maps and retrieves products from the data store.
Which location should you recommend?

A.    A Model class named ProductCategory
B.    A View class named ProductCategory
C.    A Controller class named ProductsController
D.    A Controller class named Products

Answer: D


QUESTION 245
You are designing an ASP.NET Web application that allows users to type a value in a text box The application must function with JavaScript disabled.
You need to design a method for using a Web service to validate the user-typed value before the form is processed.
Which two actions should you recommend?
(Each correct answer presents part of the solution. Choose two.)

A.    Use a CustomValidator control.
B.    Use a DynamicValidator control.
C.    Use an OnServerValidate method.
D.    Use a ClientValidationFunction method.

Answer: AC


QUESTION 246
You are designing an ASP.NET Web application. The application must provide a data access method that supports HTTP, MTOM, SOAP, and TCP.
You need to ensure that customers can integrate their applications with the data sources and business rules for your Web application.
Which data access technology or technologies should you recommend?

A.    Entity Framework
B.    Windows Communication Foundation
C.    ADO.NET DataSets and ASP.NET Web Services
D.    ADO NET DataTables and ASPNET Web Services

Answer: B


QUESTION 247
You are designing an ASP.NET Web application that will queue e-mail messages in a database. A Windows service will process the queue and send the messages.
The Web application will be hosted on a server that hosts several other applications.
The server cannot support additional processors or memory.
You estimate that the Web application usage will increase by 10 percent every month.
You need to ensure that the delivery of high-priority messages will not be delayed as the Web application usage increases.
Which two actions should you recommend?
(Each correct answer presents part of the solution. Choose two.)

A.    Process the high-priority messages first.
B.    Use a shared memory connection to the database.
C.    Modify the Windows service to handle multiple threads.
D.    Run the Windows service on a server that is separate from the Web application host server.

Answer: AD


QUESTION 248
You are designing an ASP.NET Web application that stores data in a Microsoft SQL Server 2008 database on a remote server.
You must meet the following requirements:

- Ensure that users' actions can be traced on each server by using the security audit log.
- Minimize the risk of server components executing in the user's context.

You need to recommend an approach for accessing the database.
What should you recommend?

A.    Use Windows authentication and set the Trusted Connection property of the SQL Server connection string to true
B.    Use Basic authentication and set the Integrated Security property of the SQL Server connection string to SSPI
C.    Use Basic authentication and impersonation to configure a trusted subsystem between servers
D.    Use Windows authentication and impersonation to configure constrained delegation between servers

Answer: D


QUESTION 249
You are designing an ASP.NET MVC 2 Web application. The view content will be composed of user controls. You have the following requirements:

- Deliver content that is provided by user controls to the browser.
- Select the appropriate user controls to render within the controller.

You need to ensure that your design meets the requirements. Which approach should you recommend?

A.    Use the Html. Render Partial extension method.
B.    Use the Html. Render Action extension method.
C.    Use the Partial View Result class.
D.    Use the Content Result class.

Answer: B


QUESTION 250
You are designing a class library that will be used by all of your company's ASP.NET Web applications. A specific variable in a helper class within the library holds very sensitive information.
You need to ensure that the variable is not visible to developers when they are debugging any of the Web applications.
Which two actions should you recommend?
(Each correct answer presents part of the solution. Choose two.)

A.    Make the variable private
B.    Make the variable protected
C.    Use the Debugger Display attribute
D.    Use the Debugger Brows able attribute

Answer: AD

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