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New Microsoft 70-486 Exam Dumps Collection (Question 7 - Question 16)
Q1. You are developing an application that uses many small images. When the images load, the application runs slowly.
You need to improve the performance of the application.
What should you do?
A. Preload all the images when the application starts to ensure that the images are cached.
B. Convert the images to ICO file format and stream all images on a single connection.
C. Host all images on a Microsoft Azure web role with multiple instances.
D. Combine all the images into a single image and use CSS to create sprites.
Answer: D
Explanation:
Because browsers limit how many concurrent HTTP requests they make to a website, a web page with many small icon images can result in a longer load time. You can combine many small images into a single larger image - a CSS sprite - using the free ASP.NET Sprite and Image Optimization Library available from Microsoft.
Q2. You develop an ASP.NET MVC application. The application has a controller named PeopleController.cs. The controller has an action method that returns a parent view. The parent view includes the following code. Line numbers are included for the reference only.
The application also contains a partial view named People. The parent view must display the partial view.
You need to add code at line 09 to display the partial view within the parent view.
Which two code segments will achieve the goal? Each correct answer presents a complete solution.
A. @{ Html.RenderPartial(u201cPeopleu201d, Model);}
B. @Html.Partial(u201cPeopleu201d, Model)
C. @Html.Display(u201cPeopleu201d, Model)
D. @Html.Raw(u201cPeopleu201d)
Answer: B
Explanation:
By default, any partial view rendered by calling @Html.Partial("PartialViewName") will get the view model passed to the parent view.
Q3. You develop an ASP.NET MVC application. The application has several Razor views. The application must support desktop and mobile devices by using server side code. You need to choose an approach to support mobile devices.
Which two approaches can you use?
A. use different controllers and views for both desktop and mobile browsers but render the views with the same Razor layout depending on the device type.
B. Use the same controllers for both desktop and mobile browsers, but render different views depending on the device type.
C. Use different controllers and views for both desktop and mobile browsers, but render the views using the Bootstart framework.
D. Create separate areas for desktop and mobile browsers implementing independent controllers and views for each.
Answer: B,D
Q4. 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:
The HttpRequest.Unvalidated property gets the HTTP request values without triggering request validation.
Request validation checks for HTML markup and script that might indicate a potential cross-site scripting attack. By default, all values are checked using request validation and if any values contain markup or script, ASP.NET throws an HttpRequestValidationException exception. Use this method if you anticipate that the request will contain markup (for example, you are allowing users to post content that contains markup) and you want to get the raw value of a request.
References: https://msdn.microsoft.com/en- us/library/system.web.httprequest.unvalidated.aspx
Q5. When users attempt to retrieve a product from the product page, a run-time exception occurs if the product does not exist.
You need to route the exception to the CustomException.aspx page. Which method should you add to MvcApplication?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
Q6. You are developing an ASP.NET MVC application that enables you to edit and save a student object.
The application must not retrieve student objects on an HTTP POST request. You need to implement the controller.
Which code segment should you use? (Each correct answer presents a complete solution. Choose all that apply.)
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A,C
Q7. You are implementing a website redesign of an existing website that provides historical weather condition maps.
The current layout resembles the graphic in the exhibit. (Click the Exhibit button.)
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- selector".
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: D
Explanation:
HTML5 slider contains min and max properties:
* min Minimum value of the range. Default minimum value is 0.
* maxMaximum value of the range. Default maximum value is 100. Incorrect:
Not A: HTML5 slider contains "range" property, but it used for enabling and configuring range selection in slider, not for setting min and max possible values.
References: http://www.html5tutorial.info/html5-range.php
Q8. You are designing an MVC web application.
You need to combine two existing models to create a view. Which MVC component should you use?
A. View
B. Controller
C. Model
D. ViewModel
Answer: D
Q9. You need to ensure that developers can connect to a Microsoft Azure role by using RDP.
What should you do?
A. Export a certificate with a private key. Upload the .pfx file to the Certificates section under the TranscodeWorkerRole hosted service on the Azure Management Portal.
B. Export a certificate with a private key. Upload the .pfx file to the Management Certificates section on the Azure Management Portal.
C. Export a certificate without a private key. Upload the .cer file to the Management Certificates section on the Azure Management Portal.
D. Export a certificate without a private key. Upload the .cer file to the Certificates section under the TranscodeWorkerRole hosted service on the Azure Management Portal.
Answer: A
Explanation: In case you donu2021t want to use the RDP certificate created by Windows Azure Tools and want to use a custom certificate instead, the following steps will guide you. These steps can also be used in case package is not being published from Visual Studio rather it is being built locally, saved in either Local Machine's Drive or Windows Azure Blob Storage and subsequently published from there.
Here are the steps which are required to get pass the publishing error which you might be running into. You would need to upload the Certificate with Private Key to the portal (when Visual Studio is used this is done in the background).
Detailed steps.
1. In Visual Studio, go to the solution which is being developed.
2. Right click the Web Project -> Configure Remote Desktop -> click on View to see Certificate details (Since I donu2021t have a custom certificate I will use one create by Windows Azure Tools itself)
3. Go to Details tab on Certificate -> Click Copy to file.. -> Next -> Select u2021Yes, export the private keyu2021 -> Next -> Continue with default setting and create a password when asked (please refer below screenshots)
4. These steps will generate a .PFX file for this certificate. Now we need to upload this certificate to the portal (for the respective cloud service)
5. Go to the Azure Management Portal -> Go to the Cloud Service in question -> Certificates Tab -> Upload the newly created certificate (.PFX file)
Note:
* The certificates that you need for a remote desktop connection are different from the certificates that you use for other Azure operations. The remote access certificate must
have a private key.
* Microsoft Azure uses certificates in three ways:
/ Management certificates u2013 Stored at the subscription level, these certificates are used to enable the use of the SDK tools, the Windows Azure Tools for Microsoft Visual Studio, or the Service Management REST API Reference. These certificates are independent of any cloud service or deployment.
/ Service certificates u2013 Stored at the cloud service level, these certificates are used by your deployed services.
/ SSH Keys u2013 Stored on the Linux virtual machine, SSH keys are used to authenticate remote connections to the virtual machine.
Reference: How to use Custom Certificate for RDP to Windows Azure Roles http://blogs.msdn.com/b/cie/archive/2014/02/22/how-to-use-custom-certificate-for-rdp-to-windows-azure-roles.aspx
Q10. You develop an ASP.NET MVC application. The application is configured for claims-based authentication by using Windows Identity Foundation (WIF).
You need to access the claims in the WIF token. Which code segment should you use?
A. Thread.CurrentPrincipal.Identity;
B. ((IClaimsPrincipal)Thread.CurrentPrincipal).Identities[0].Claims;
C. Thread.CurrentPrincipal;
D. ((IClaimsPrincipal)Thread.CurrentPrincipal).Identities[0].IsAuthenticated;
Answer: B
Explanation:
To Access the Claims
In order to access identity related information, you can run FedUtil. Once you have run FedUtil, your application can access IClaimsPrincipal and IClaimsIdentity using the standard ASP.NET constructs as shown in the following code example:
void Page_Load(object sender, EventArgs e)
{
// Cast the Thread.CurrentPrincipal
IClaimsPrincipal icp = Thread.CurrentPrincipal as IClaimsPrincipal;
// Access IClaimsIdentity which contains claims IClaimsIdentity claimsIdentity = (IClaimsIdentity)icp.Identity;
// Access claims
foreach(Claim claim in claimsIdentity.Claims)
{
}
}
References: https://msdn.microsoft.com/en-us/library/ee517271.aspx
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