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Microsoft 70-486 Practice testing questions from Youtube
latest updated Microsoft 70-486 exam questions and answers
QUESTION 1
DRAG DROP
You are developing an ASP.NET MVC application in Visual Studio.
The application contains an area that is defined as shown in the following graphic.
The ActionLink method must invoke the GetOrders() action in ExternalOrderController.
You need to configure the parameters of the ActionLink method.
You have the following markup.
Which markup segments should you include in Target 1, Target 2 and Target 3 to complete the markup? To answer,
drag the appropriate markup segment to the correct targets. Each markup 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.
Select and Place:
Target 1: the action is getOrders
Target 2: the controller is ExternalOrderController
Target 3: The area is External
LinkExtensions.ActionLink Method (HtmlHelper, String, String, String, RouteValueDictionary, IDictionary)
Use:
Html.ActionLink(“Text”, “ActionName”, “ControllerName”, new { Area = “AreaName” }, null)
Reference: How to specify an area name in an active link?
http://stackoverflow.com/questions/2036305/how-to-specify-an-area-name-in-an-action-link
QUESTION 2
You are developing an ASP.NET Core web application. The web application requires sensitive configuration data.
The web application will be tested in an Acceptance Test environment. The Acceptance Test environment must be
identical to the production environment.
You need to protect the configuration data.
What should you use?
A. Secret Manager tool
B. Configuration API
C. Microsoft Azure Key Vault configuration provider
D. environment variables
Correct Answer: D
https://docs.microsoft.com/en-us/aspnet/core/security/app-secrets?view=aspnetcore-2.2andtabs=windows
QUESTION 3
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.
Correct Answer: D
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.
References:
QUESTION 4
You are developing an application that uses many small images for various aspects of the interface.
The application responds slowly when additional resources are being accessed.
You need to improve the performance of the application.
What should you do?
A. Preload all the images when the client connects to ensure that the images are cached.
B. Combine all the images into a single image and use CSS to create sprites.
C. Host all images on an alternate server and provide a CDN.
D. Convert the images to .png file format and stream all images on a single connection.
Correct Answer: C
QUESTION 5
You updated the web. config file with the HTTP run-time value required to display an alternative version of the site.
You need to ensure that the correct page displays to the users.
Which code segment should you use to update the controller?
A. If (Request.IsTabletDevice)
B. If (Request.Browser.IsBrowser(“Mobile”))
C. If (Request.UserAgent[“Tablet”])
D. If (Request.Browser.IsMobileDevice)
Correct Answer: D
QUESTION 6
You are developing an ASP.NET MVC application. The application uses a SQL Server database and a SQL Server
login and password. You need to ensure that the password for the SQL Server login is not stored in
plain text. Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Encrypt the connection string by using aspnet_regiis.exe.
B. Ensure that there is a valid machineKey element in the web. config file.
C. Ensure that there is a valid encryption key element in the web. config file.
D. Encrypt the connection string by using aspnet_wp.exe.
Correct Answer: AC
https://weblogs.asp.net/owscott/421063
QUESTION 7
You have been instructed to meet the business requirements with regard to security. You are required to make
changes to the CyclingLogController. Which of the following actions should you take?
A. You should consider adding code to assign users the Administrator role.
B. You should consider adding code to assign users the Advanced Operator role.
C. You should consider adding code to assign users the Author role.
D. You should consider adding code to assign users the Report Security Administrator role.
Correct Answer: A
QUESTION 8
You are developing an ASP.NET Core MVC web application.
The web application must support older web browsers and implemented JavaScript features. You must use a polyfill to
support the JavaScript Promise object in all browsers.
You need to implement a built-in ASP.NET Core Tag Helper to support polyfills.
How should you complete the markup? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area: 
Correct Answer:
QUESTION 9
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
The HttpRequest.The 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
QUESTION 10
DRAG DROP
You are developing an ASP.NET MVC application that takes customer orders.
Orders are restricted to customers with IP addresses based in the United States.
You need to implement a custom route handler.
How should you implement the route handler? (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.)
Select and Place:
Correct Answer
This class implements IRouteHandler and has only one method “GetHttpHandler”. The main purpose of this class is to
return the instance of CustomHandler class. In the constructor, we are passing the RequestContext to the handler. {
public class CustomRouteHandler : IRouteHandler { public IHttpHandler GetHttpHandler(RequestContext
requestContext) { return new CustomHandler(requestContext); } } References: http://msdn.microsoft.com/enus/library/system.web.routing.iroutehandler.gethttphandler.aspx
QUESTION 11
You are developing a new ASP.NET MVC application that will be hosted on Microsoft Azure. You need to implement
caching. The caching solution must support the following:
You need to select a cache solution.
Which caching solution should you choose?
A. ASP.NET Caching
B. Azure In-Role Cache
C. Azure Redis Cache
D. Azure Managed Cache Service
Correct Answer: C
References:
QUESTION 12
You are developing an ASP.NET Core MVC web application that provides assets to external websites including images,
JavaScript scripts and text files.
The external websites must be able to make full use of assets provided to them by the web application, including
JavaScript asynchronous HTTP requests.
Pages that refer to the images and text files do not load. External websites are unable to use assets.
You need to resolve the issues.
What should you do?
A. Add an MVC controller and action to load the files from the folder.
B. In the startup Configure method, call IApplicationBuilder. Use StaticFiles for the folder that contains the files.
C. In the startup ConfigureServices method, call IServiceCollection. Add DirectoryBrowser for the folder that contains
the files.
D. Mark vendor-provided files as content and set the value for Copy to Output Directory to CopyAlways.
Correct Answer: B
References: https://docs.microsoft.com/enus/aspnet/core/fundamentals/middleware/?view=aspnetcore-2.1andtabs=aspnetcore2x
QUESTION 13
You are designing a data-oriented application that features a variety of storage schemas.
The application object model must be mapped to the various storage schemas.
You need to enable developers to manipulate the data.
Which ADO.NET data access strategy should you use? (Each correct answer presents a complete solution. Choose all
that apply.)
A. LINQ to SQL
B. Entity Framework
C. DataAdapter
D. DataReader
Correct Answer: ABC
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