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New Microsoft 70-486 Exam Dumps Collection (Question 4 - Question 13)

Q4. You are implementing a website redesign of an existing website that provides historical weather condition maps. The current layout resembles the following graphic.

Year selection is implemented as a set of links, which causes the page to reload when the user changes the year. The year selection HTML is contained in a div with an id of "year- changer".

You need to modify the page so that the user can change the year without the page reloading. You also need to ensure that there is minimal change to the design of the page.

Which code segment should you use?

A. Option A

B. Option B

C. Option C

D. Option D

Answer: B

Explanation:

jQuery code will bind the slider control to the div.

$(document).ready(function(){

$("#slider").slider();

});

Now, when you run this page then you will see a long slider on page with no range. As we have not specified any range.slider control comes with various options/properties which

can be set. Here are few of them.

1. min : Minimum value allowed for the slider.

2. max : Maximum allowed value for the slider.

3. step : How much you want to increment when you slide. Default is 1.

4. value : set default value of the slider. References:


Q5. You are developing an ASP.NET MVC web application that includes the following method.

You need to test the AccountBalance method. Which unit test should you use?

A. Option A

B. Option B

C. Option C

D. Option D

Answer: C

Explanation:

All unit tests require the [TestMethod] attribute.

The Assert.AreEqual method verifies that specified values are equal.

Incorrect:

Not D: All unit tests require the [TestMethod] attribute.

References: http://msdn.microsoft.com/en-us/library/microsoft.visualstudio.testtools.unittesting.assert.areequal(v=vs.110).aspx


Q6. If the canvas element is supported by the client browser, the application must display "London 2012" in the footer as text formatted by JavaScript at the end of the

_Layout.cshtml file.

You need to modify the layout to ensure that "London 2012" is displayed as either formatted text or as plain text, depending on what the client browser supports.

Which code segment should you add?

A. <canvas id="myFooter">

@(Request,Browser.JavaApplets ? new HtmlString("London 2012") : null)

</canvas>

B. <canvas id="myFooter">London 2012</canvas>

C. <canvas id="myCanvas">London 2012</canvas>

D. <canvas id="myCanvas"></canvas>

<p>London 2012</p>

Answer: C


Q7. You need to configure session storage in the web.config file to meet the technical requirements for scalability.

Which SessionState mode should you use? (Each correct answer presents a complete solution. Choose all that apply.)

A. StateServer

B. InProc

C. AutoDetect

D. SqlServer

Answer: A,D

Explanation:

ASP.NET session state supports several different storage options for session data. Each option is identified by a value in the SessionStateMode enumeration. The following list

describes the available session state modes:

* StateServer mode, which stores session state in a separate process called the ASP.NET state service. This ensures that session state is preserved if the Web application is restarted and also makes session state available to multiple Web servers in a Web farm.

* SQLServer mode stores session state in a SQL Server database. This ensures that session state is preserved if the Web application is restarted and also makes session state available to multiple Web servers in a Web farm.

* InProc mode, which stores session state in memory on the Web server. This is the default.

* Custom mode, which enables you to specify a custom storage provider.

* Off mode, which disables session state.

References: https://msdn.microsoft.com/en-us/library/ms178586.aspx


Q8. You need to implement the business requirements for managing customer data.

What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

A. Add a class named Customer-Controller to the Controllers folder. Then add a method named Edit to the class.

B. Create a new controller named Administration in the Controllers folder. Add an action named EditCustomer to the controller.

C. Add a folder named Customer to the Views folder. Then create a view inside this folder named Edit.aspx.

D. Create a new folder named EditCustomer to the Views folder. In the new folder, create a new file named Administration.aspx.

Answer: A,B


Q9. You are developing an ASP.NET MVC web application in Visual Studio 2012. The application requires several thousand content files. All content is hosted on the same IIS

instance as the application.

You detect performance issues when the application starts. You need to resolve the performance issues.

What should you do?

A. Implement HTTP caching in the ASP.NET MVC controllers.

B. Combine the content files by using ASP.NET MVC bundling.

C. Install a second IIS instance.

D. Move the content to a Windows Azure CDN.

Answer: B

Explanation:

Bundling is a new feature in ASP.NET 4.5 that makes it easy to combine or bundle multiple files into a single file. You can create CSS, JavaScript and other bundles. Fewer files means fewer HTTP requests and that can improve first page load performance.

References: https://www.asp.net/mvc/overview/performance/bundling-and-minification


Q10. 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.

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) {u2026}

B. @media screen and (min-width: 500px) {u2026}

C. @media screen(min-width: 500px, max-width: 1000px) {u2026}

D. @media resolution(min-width: 500px) {u2026}

Answer: B

Explanation:

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


Q11. You need to ensure that new customers enter a valid email address.

Which code should you use? (Each correct answer presents part of the solution. Choose all that apply.)

A. Option A

B. Option B

C. Option C

D. Option D

Answer: A,D


Q12. 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

Explanation:

ASP.NET session state service provides a somewhat slower service than the in-process variant as we need to make calls to a remote server. All session data is stored in memory so shutting down the state machine will wipe out all session data as well.

Incorrect:

Not D: The InProc option is particularly dangerous in a web farm environment. For example imagine one farm machine which stores the session state but not the other. Subsequent web requests from the same user may not read the correct session state.

References: https://dotnetcodr.com/2013/07/01/web-farms-in-net-and-iis-part-5-session-state-management/


Q13. You need to implement the business requirements for managing customer data.

What should you do? Each correct answer presents part of the solution. Choose all that apply.

A. Add a folder named Customer to the Views folder. Then create a view inside this folder named Edit.aspx.

B. Add a folder named EditCustomer to the Views folder. Then create a view inside this folder named Catalog.aspx.

C. Add a class named CustomerController to the Controllers folder. Then add a method named Edit to the class.

D. Add a class named Catalog to the Controllers folder. Then add a method named EditCustomer to the class.

Answer: A,C

Explanation:

From scenario: One of the business requirements, is that administrators must be able to edit information about existing customers.


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