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Exam Code: 70-486
Exam Name: Developing ASP.NET MVC 4 Web Applications
Certification Provider: Microsoft

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QUESTION 11
You are developing an ASP.NET MVC application.
The application is deployed in a web farm and is accessed by many users.
The application must handle web server failures gracefully.
The servers in the farm must share the state information.
You need to persist the application state during the session.
What should you implement?

A.    A state server
B.    Cookieless sessions
C.    A web garden on the web servers
D.    An InProc session

Answer: A

QUESTION 12
You are developing an ASP.NET MVC application that displays stock market information.
The stock market information updates frequently and must be displayed in real-time.
You need to eliminate unnecessary header data, minimize latency, and transmit data over a full-duplex connection.
What should you do?

A.    Implement long-running HTTP requests.
B.    Instantiate a MessageChannel object on the client.
C.    Implement WebSockets protocol on the client and the server.
D.    Configure polling from the browser.

Answer: C

QUESTION 13
You are designing a distributed application that runs on the Windows Azure platform.
The application must store a small amount of insecure global information that does not change frequently.
You need to configure the application to meet the requirements.
Which server-side state management option should you use? (Each correct answer presents a complete solution. Choose all that apply.)

A.    Windows Azure application state
B.    SQL Azure
C.    Profile properties of the Windows Azure application
D.    Windows Azure session state

Answer: AB

QUESTION 14
Drag and Drop Question
You are developing an ASP.NET MVC application that has pages for users who browse the site with Windows Phone 7.
The pages for Windows Phone 7 include the following files:
- _Layout.WP7.cshtml
- Index.WP7.cshtml
You need to update the application so that it renders the customized files correctly to Windows Phone 7 users.
How should you update the Application_Start method? (To answer, drag the appropriate line of code to the correct location or locations. Each line of code 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:
 
Explanation:
http://techbrij.com/1013/display-mode-mobile-tablet-tv-aspnet-mvc ¹

QUESTION 15
You are developing an ASP.NET MVC web application for viewing a photo album.
The application is designed for devices that support changes in orientation, such as tablets and smartphones.
The application displays a grid of photos in portrait mode.
When the orientation changes to landscape, each tile in the grid expands to include a description.
The HTML that creates the gallery interface resembles the following markup.
The CSS used to style the tiles in landscape mode is as follows.
 
If this CSS is omitted, the existing CSS displays the tiles in landscape mode.
You need to update the portrait mode CSS to apply only to screens with a width less than 500 pixels.
Which code segment should you use?

A.    @media resolution(max-width: 500px) { . . . }
B.    @media screen(min-width: 0px, max-width: 500px) { . . . }
C.    @media screen and (width <= 500px) { . . . }
D.    @media screen and (max-width: 500px) { . . . }

Answer: D
Explanation:
http://www.javascriptkit.com/dhtmltutors/cssmediaqueries.shtml ²

QUESTION 16
You are developing an ASP.NET MVC application in Visual Studio 2012.
The application contains sensitive bank account data.
The application contains a helper class named SensitiveData.Helpers.CustomEncryptor.
 
The application must not display AccountNumber in clear text in any URL.
You need to build the view for the GetAccounts action.
How should you build the view? (To answer, drag the appropriate code segment to the correct location or locations. 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 17
You are developing an ASP.NET MVC application.
You need to authenticate clients by using NT LAN Manager (NTLM).
Which authentication method should you implement?

A.    Basic
B.    Windows
C.    Forms
D.    Kerberos

Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/aa292114(v=vs.71).aspx ³

QUESTION 18
Drag and Drop Question
You are developing an ASP.NET MVC application that authenticates a user by using claims-based authentication.
The application must:
- Use Windows Identity Foundation 4.5.
- Support the Windows Azure Access Control Service.
You need to implement authentication.
How should you build the class constructor? (To answer, drag the appropriate code segment to the correct location or locations 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 19
You are developing an ASP.NET MVC application.
The application must allow users to enter JavaScript in a feedback text box only.
You need to disable request validation.
What should you do?

A.    Apply and set the CausesClientSideValidation attribute on the text box to FALSE.
B.    Apply and set the ValidateInput attribute on the text box to FALSE.
C.    Use the HttpRequest.Unvalidated property to read the unvalidated form value.
D.    Use the HttpRequest.Form property to read the unvalidated form value.

Answer: C
Explanation:
Provides access to HTTP request values without triggering request validation.
http://msdn.microsoft.com/en-us/library/system.web.httprequest.unvalidated.aspx ⁴

QUESTION 20
You are developing an ASP.NET MVC application that will be deployed on a web farm.
Passwords must be stored in the web.config file and must not be readable or in a format that is easily decodable.
You need to encrypt the passwords that are stored in the web.config file.
Which command-line tool should you use?

A.    Aspnet_regiis.exe
B.    Ngen.exe
C.    Aspnet_merge.exe
D.    EdmGen.exe

Answer: A
Explanation:
http://msdn.microsoft.com/en-us/library/zhhddkxy(v=vs.100).aspx ⁵

http://www.braindump2go.com/70-486.html ⁶

1. http://techbrij.com/1013/display-mode-mobile-table t-tv-aspnet-mvc
2. http://www.javascriptkit.com/dhtmltutors/cssmediaq ueries.shtml
3. http://msdn.microsoft.com/en-us/library/aa292114(v =vs.71).aspx
4. http://msdn.microsoft.com/en-us/library/system.web .httprequest.unvalidated.aspx
5. http://msdn.microsoft.com/en-us/library/zhhddkxy(v =vs.100).aspx
6. http://www.braindump2go.com/70-486.html