Download Free Microsoft 70-519 PDF and VCE Updated Today 201-210

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

QUESTION 201
You are designing an ASP.NET Web Forms application that uses a database containing user names and hashed passwords for authentication.
The Web application includes a login form in which users type their user names and passwords.
You need to design a strategy to ensure that the user’s login credentials cannot be stolen through a manin-the-middle attack.
Which approach should you recommend?

A.    Install a certificate on the Web server, and force the login form to use SSL.
B.    Write an on Submit JavaScript handler that hashes the password before the password is submitted to the server.
C.    Write an On Click method for the Submit button that hashes the password before the password is compared with the password value that is stored in the database.
D.    Write an on Submit JavaScript handler that URL-encodes the password before the password is passed to the server.

Answer: A

QUESTION 202
You are designing an ASP.NET Web application for display on desktop computers and on mobile devices.
You have the following requirements:

– Present a full-featured interface to users of desktop computers that include many interaction options and graphical buttons.
– Present a simple interface to users of mobile devices that do not include bandwidth-intensive elements.

You need to design the Web application to meet the requirements.
Which two approaches should you recommend?
(Each correct answer presents part of the solution. Choose two.)

A.    Create two separate skins for desktop and mobile user interfaces
B.    Create two separate themes for desktop and mobile user interfaces
C.    In the PreRender method of the Web application’s master page, test Request.
Browser Mobile Device Model and switch to the appropriate interface.
D.    Create a System.Web.UI.Page subclass that all Web application pages inherit from.
In the Page_PreInit method, test Request Browser Is Mobile Device and switch to the appropriate interface

Answer: BD

QUESTION 203
You are designing a RESTful ASP.NET Web application.
You have the following requirements:

– Retain state between requests.
– Associate a request with a session.
– Do not require the use of cookies.

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

A.    Disable View State by using the @ Page directive
B.    Configure the application to use cookieless session state
C.    Configure the application to use the InProc session state mode
D.    Register a custom Page Adapter class that provides a Session State Page Per sister.

Answer: B

QUESTION 204
You are designing an ASP.NET Web application that targets multiple browsers and form factors.
Some devices do not support the markup produced by a third-party server control.
You cannot modify the third-party server control.
You need to recommend an approach for providing the correct markup for the problematic devices.
What should you recommend?

A.    Derive a class from ControlAdapter that produces device-specific markup.
In the browser definition file, add an entry in the controlAdapters collection for each of the problematic devices. In the entry, point to the third-party server control and adapter type.
B.    Create an ASP.NET theme specific to each problematic device.
In the page PreRender event, set the Theme property to the custom theme based on the value of the Request.Browser.Type property.
C.    In the page PreRender event, call the Response.WriteSubstitution() method with a delegate.
In the delegate, populate the page with device-specific markup based on the value of the Request.Browser.Type property.
D.    Derive a class from the third-party server control. In the new server control, override the TemplateSourceDirectory property to return a value pointing to a file containing the device- specific markup.

Answer: A

QUESTION 205
You are designing an ASP.NET Web application. A page of the Web application will allow users to post comments and view comments posted by other users.
You need to recommend an approach for preventing the Web application from storing malicious content.
What should you recommend?

A.    in the page code-behind, add a Validation attribute.
B.    On the page, set the ValidateRequest property of the @ Page directive to false. Use the
HtmlEncode() method on submitted content before storing the content in the database.
C.    On the page, set the ValidateRequest property of the @ Page directive to false. Use the HtmlAttributeEncode() method on submitted content before storing the content in the database.
D.    In the page code-behind, add a Validatelnput attribute.

Answer: C

QUESTION 206
You are designing an ASP.NET Web application. Pages of the Web application will share a common layout. Different business logic will be executed based on user input.
You have the following requirements:

– Use view state to maintain data between postbacks.
– Reuse presentation logic across multiple pages.

You need to recommend an approach that meets the requirements.
What should you recommend?

A.    Use an ASP.NET Web Services application.
B.    Use ASP.NET MVC 2.
C.    Use an ASP.NET Web Forms-based framework.
D.    Use ASP.NET AJAX.

Answer: C

QUESTION 207
You are designing an ASP.NET Web application.
You need to recommend an approach for restricting access to internal application state information.
What should you do?

A.    Set the trust level to Medium.
B.    Disable tracing and debugging.
C.    Install a certificate and enable SSL.
D.    Deploy a P3P policy to the Web site.

Answer: B

QUESTION 208
You are designing an ASP.NET MVC 2 Web application that will contain reusable markup. The Web application must read data from the TempData dictionary.
You need to recommend a solution that allows the Web application to pass data between pages by using the TempData dictionary.
What should you recommend?

A.    Design a view user control and enable ViewState.
B.    Use a Substitution control and enable Session state.
C.    Design a view user control and enable Session state.
D.    Use a Substitution control and enable ViewState.

Answer: C

QUESTION 209
You are designing a data access service backed by Microsoft SQL Server. Other developers will use your service as a third-party service.
You have the following requirements:

– To reduce maintenance cost, you must write the minimal amount of code required for fulfilling the goals.
– The service must function with Microsoft and non-Microsoft technologies.
– The service must implement the WS-Security standards.

You need to design the service to meet the requirements.
Which approach should you recommend?

A.    Use an ASP.NET Web service
B.    Use SQL Server XML Web services
C.    Use a WCF service with multiple bindings
D.    Use an .ashx file to return an XML response over HTTPS

Answer: C

QUESTION 210
You are designing an ASP.NET Web application.
You are implementing the ASP.NET membership and profile providers to do the following:

– Support retrieval of user passwords within the ASP.NET Web application
– Access profile data that is stored in two or more Microsoft SQL Server tables

You need to ensure that the Web application is properly configured to interact with the providers. Which approach should you recommend?

A.    Use encrypted passwords, and develop a custom profile provider.
B.    Use encrypted passwords and the built-in SqlProfileProvider.
C.    Use hashed passwords, and develop a custom profile provider.
D.    Use hashed passwords and the built-in SqlProlileProvider.

Answer: A

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