Achieve New Updated (September) Microsoft 70-486 Examination Questions 51-60

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QUESTION 51

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.

 

Correct Answer: C

 

 

QUESTION 52

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

 

Correct Answer: BD

Explanation:

SQL Database provides a relational database management system for Windows Azure and is based on SQL Server technology. With a SQL Database instance, you can easily provision and deploy relational database solutions to the cloud, and take advantage of a distributed data center that provides enterprise-class availability, scalability, and security with the benefits of built-in data protection and self-healing.

 

Session States in Windows Azure.

If you are a Web developer, you are probably very familiar with managing user state – that is you are familiar with tracking user activity and actions across several request-response exchanges that occur in Web applications. Since HTTP is a stateless protocol, developers over the years have developed all sorts of means to manage state. You’ll even find an MSDN page providing alternatives and recommendations for state management here.

 

Cookies, hidden fields, and query strings are some client-side options to tracking user state. When it comes to managing that state on the server-side, most Web developers rely on session objects.

 

 

 

 

 

QUESTION 53

DRAG DROP

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:

 

clip_image002_Layout.WP7.cshtml

clip_image002[1]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.

 

clip_image004

 

Correct Answer:

clip_image006

 

 

 

 

QUESTION 54

You are developing an ASP.NET MVC web application for viewing a list of contacts. The application is designed for devices that support changes in orientation, such as tablets and smartphones. The application displays a grid of contact tiles in portrait mode.

 

When the orientation changes to landscape, each tile in the grid expands to include each contact’s details. The HTML that creates the tiled interface resembles the following markup.

 

 

The CSS used to style the tiles in landscape mode is as follows.

 

clip_image008

 

If this CSS is omitted, the existing CSS displays the tiles in portrait mode.

 

You need to update the landscape-mode CSS to apply only to screens with a width greater than or equal to 500 pixels.

 

Which code segment should you use?

 

A.

@media screen and (width >= 500px) {

. . .

}

B.

@media screen and (min-width: 500px) {

. . .

}

C.

@media screen (min-width: 500px, max-width: 1000px) {

. . .

}

D.

@media resolution (min-width: 500px) {

. . .

}

 

Correct Answer: B

Explanation:

http://www.javascriptkit.com/dhtmltutors/cssmediaqueries.shtml

 

 

 

QUESTION 55

DRAG DROP

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.

 

clip_image010

 

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.

clip_image012

 

Correct Answer:

clip_image014

 

 

 

 

 

 

QUESTION 56

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

 

Correct Answer: B

Explanation:

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

 

 

QUESTION 57

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.

 

Correct 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

 

 

QUESTION 58

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

 

Correct Answer: A

Explanation:

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

 

 

 

 

 

 

 

 

 

 

QUESTION 59

HOTSPOT

You are developing an ASP.NET MVC application that authenticates a user by using claims-based authentication.

 

The application must:

 

clip_image002[2]Use Windows Identity Foundation 4.5.

clip_image002[3]Support the Windows Azure Access Control Service.

 

You need to implement authentication.

 

How should you build the class constructor?

 

To answer, select the appropriate option from the drop-down list in the answer area.

 

clip_image016

Correct Answer:

clip_image018

 

 

 

 

 

 

 

 

 

 

QUESTION 60

HOTSPOT

You are developing an ASP.NET MVC application.

 

You need to store membership information in a Microsoft SQL Server database.

 

How should you configure the membership provider?

 

To answer, select the appropriate options in the answer area.

 

clip_image020

 

Correct Answer:

clip_image022

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