Download Free Microsoft 70-519 PDF and VCE Updated Today 231-240

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

QUESTION 231
Hotspot Question
You create an application that reads and processes files. The application includes the following code segment. (Line numbers are included for reference only.)

If an exception is raised, you must log the exception information and stack trace information. For each of the following statements, select True if the statement is true. Otherwise select False.

Answer:

QUESTION 232
You are designing a Windows Communication Foundation (WCF) service. The WCF service will support a common data access strategy for an ASP.NET 1.1 Web application and an ASP.NET 4 Web application.
You have the following requirements:

– Ensure that the WCF service complies with WS-* standards.
– Enable backward-compatibility for clients that can consume only ASMX Web Services.

You need to recommend an endpoint and binding strategy for the WCF service.
What should you recommend?

A.    a single endpoint using NetMsmqBinding
B.    a single endpoint using NetTcpBinding
C.    multiple endpoints using NetTcpBinding and WSHttpBinding
D.    multiple endpoints using BasicHttpBinding and WSHttpBinding

Answer: D

QUESTION 233
You have a web server farm that contains one ASP.NET web application.
You configure the application to log health monitoring events by using the SQL Server provider. The SQL Server provider uses buffering.
When the application logs a large volume of events, performance is degraded on the SQL Server.
You need to reduce the load on the SQL Server and log all events.
What should you do?

A.    In the machine.config file for the server that hosts the application, modify the health monitoring profile file to limit the number of events that are logged per interval.
B.    Modify the web application to enable caching.
C.    In the root-level web.config file for the server that hosts the application, configure the buffer mode to flush less often.
D.    In the web.config file for the application, modify the health monitoring profile file to limit the number of events that are logged per interval.

Answer: D

QUESTION 234
An existing ASP.NET Web application uses third-party server controls.
The third-party vendor releases a new version of the server controls.
You need to recommend an approach for testing whether the new versions of the server controls break the existing Web application.
What should you recommend?

A.    Performance testing on the third-party server controls
B.    Load testing on the third-party server controls
C.    Component testing on the Web application
D.    Regression testing on the Web application

Answer: D

QUESTION 235
You are designing an ASP.NET 4 Web application that will integrate third-party components.
You need to minimize the security risks of using these components.
Which approach should you recommend?

A.    Apply role-based security with declarative checks.
B.    Store the components in the global assembly cache.
C.    Use the third-party components on a separate server.
D.    Use an appropriately permitted AppDomain for each component.

Answer: D

QUESTION 236
You are designing an exception-handling strategy for an ASP.NET Web Forms application. The Web application will use Windows authentication. The Web application must meet the following requirements:

– Display a user-friendly error message to users.
– Display a detailed error message to server administrators.

You need to recommend an approach for handling exceptions.
What should you recommend?

A.    Add a HandleError attribute to each controller class.
B.    In the custom Errors element of the Web.config file, set the mode attribute to remoteOnly.
C.    On the assembly, add a SecureRules attribute with the security rule set configured to level 2.
D.    In the Application_Error event handler, wrap the exception in an ExternalException exception.
Re-throw the exception if the user is not a member of the Administrators group.

Answer: B

QUESTION 237
You have an ASP.NET Web application that is deployed on multiple, identical Web servers.
The Web servers retrieve data from multiple, identical Microsoft SQL Server databases. Each user maintains an active Web application session during the entire business day.
You notice that some Web servers consume 100 percent of their CPU resources and return timeout errors,
while other Web servers are idle.
You need to design a plan to load-balance the Web application across the available Web servers. Which approach should you recommend?

A.    Use affinity load balancing with SQLServer session state.
B.    Use affinity load balancing with StateServer session state.
C.    Use per-request load balancing with InProc session state.
D.    Use per-request load balancing with StateServer session state.

Answer: D

QUESTION 238
Drag and Drop Question
You develop an ASP.NET application.
You need to ensure that only members of the Administrators group have access to the application. How should you complete the relevant code?
(To answer, drag the appropriate code segments to the correct location in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

Answer:

QUESTION 239
An ASP.NET Web application hosted on a remote server throws NullReferenceException exceptions that are not handled. The stack trace does not include line numbers. The Microsoft Visual Studio 2010 remote debugging tools are installed on the remote server.
You need to recommend an approach for identifying the line of code that is causing the exception.
What should you recommend?

A.    Deploy the PDB files for the assemblies to the remote server. Inspect the Application event log.
B.    Set the project-level Enable Code Analysis on Build property to true. Inspect the Application event log.
C.    Set the project-level Enable optimizations property to false. Attach the debugger to the remote worker process.
D.    In the Web.config file, set the debug value to true. Attach the debugger to the remote worker process.

Answer: A

QUESTION 240
You are designing an ASP.NET Web application. You have the following requirements:

– The application must be usable in partially connected scenarios.
– Data that is entered into the application offline must be synchronized with the server the next time the application is online.

You need to design the application to meet the requirements. What should you use?

A.    jQuery
B.    ASP.NET AJAX
C.    WCF Data Services
D.    Microsoft Silvertight

Answer: D

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