70-486 | Realistic 70-486 Exam Questions 2019

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NEW QUESTION 1
You are maintaining an ASP.NET MVC application that runs on Azure. Remote debugging is enabled for this role, but the input endpoints for remote debugging have been removed for security reasons. You do not have permission to view the Azure Portal for this deployment. You can log on by using Remote Desktop Protocol (RDP).
You must attach the input endpoints to enable remote debugging. You need to add the input endpoints to enable remote debugging. Which file should you modify?

  • A. C:\Config\<GUID>.ccf
  • B. E:\entrypoint.txt
  • C. E:\ <GUID>.csman
  • D. C:\Config\<DeploymentD>.WebRole.1xml

Answer: C

NEW QUESTION 2
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?
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  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer: B

NEW QUESTION 3
You need to enable client-side validation for an ASP.NET MVC application.
Which three actions should you perform? Each correct answer presents part of the solution.

  • A. Attach a custom validation attribute to the model properties that the view uses.
  • B. Reference the jquery, jquery.validate and jquery.validate.unobtrusive script files in the view.
  • C. Open the web.config file at the project root, and set the values of the ClientValidationEnabled and UnobtrusiveJavaScriptEnabled keys to True.
  • D. For each form element, use the Validator.element() method to validate each item.
  • E. Add data annotations to the model properties that the view uses.

Answer: BCE

Explanation: B: The validation can be implemented using jQuery and jQuery validation plug-in (jquery.validate.min.js and jquery.validate.unobtrusive.min.js).
C: When you are developing an MVC application in Visual Studio 2012 then the client-side becomes enabled by default, but you can easily enable or disable the writing of the following app setting code snippet in the web.config file.
<configuration>
<appSettings>
<add key="ClientValidationEnabled" value="true" />
<add key="UnobtrusiveJavaScriptEnabled" value="true" />
</appSettings>
</configuration>
E: The jQuery validation plug-in takes advantage of the Data Annotation attributes defined in the model, which means that you need to do very little to start using it.
References:

NEW QUESTION 4
You are developing a .NET Core library that will be used by multiple applications. The library contains ASP.NET Core middleware named EnsureSecurityMiddleware.
EnsureSecurityMiddleware must always run prior to other middleware. You need to configure the middleware.
How should you complete the code? To answer, drag the appropriate code segments to the correct 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.
NOTE: Each correct selection is worth one pint.
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    Answer:

    Explanation: 70-486 dumps exhibit

    NEW QUESTION 5
    You are developing an ASP.NET Core MVC web application. The web application must meet the following requirements:
    70-486 dumps exhibit Allow users to create a user name and password.
    70-486 dumps exhibit Use cookie-based authentication.
    70-486 dumps exhibit Store user credentials in a Microsoft SQL Server database. You need to implement ASP.NET Core Identity.
    How should you complete the code? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
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      Answer:

      Explanation: Box 1: UseSqlServer
      Box 2: AddIdentity
      Box 3: Configure
      Box 4: ConfigureApplicationCookie
      Box 5: UseAuthentication References:
      https://docs.microsoft.com/en-us/aspnet/core/security/authentication/identity?view=aspnetcore-2.1&tabs=visual-

      NEW QUESTION 6
      You plan to deploy an ASP.NET Core MVC web application to an internal server cluster that runs Kestrel on Linux. The server cluster hosts many other web applications. All applications are behind an Nginx load balancer.
      You need to ensure that the application meets the following requirements:
      • Secure against man-in-the-middle attacks.
      • Allow Open ID Connect authentication.
      • Cache responses using HTTP caching.
      Which two actions should you perform? Each correct answer presents part of the solution.
      NOTE: Each correct selection is worth one point.

      • A. Enable the proxy_cache_bypass module.
      • B. Configure ASP.NET Core to use forwarded headers.
      • C. Bind Kestrel to port 0.
      • D. Terminate Secure Sockets Layer (SSL) in Kestrel.

      Answer: D

      NEW QUESTION 7
      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: AD

      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

      NEW QUESTION 8
      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.

      Answer: C

      NEW QUESTION 9
      You create an ASP.NET MVC application. You host the application by using the Open Web Interface for
      .N ET (OWIN). You run the following command by using the NuGet Package Manager console:
      install-package Microsoft.AspNet.SignalR
      You plan to implement real-time push notifications from the server using ASP.NET SignalR. You need to complete the ASP.NET SignalR implementation.
      Which three steps should you perform? Each correct answer presents part of the solution.

      • A. Create a hub class to push content to clients.
      • B. Create a class that derives from the PersistentConnection clas
      • C. Use the derived class to push content to clients.
      • D. Use the SignalR jQuery library in a web page to send messages to the hub and display updates from the hub.
      • E. Map a SignalR hub to the app builder pipeline by using an OWIN startup class.
      • F. Start the SignalR hub asynchronously and respond to the appropriate callback methods.

      Answer: ACD

      Explanation: A: In Solution Explorer, right-click the project, select Add | New Folder, and add a new folder named Hubs. Right-click the Hubs folder, click Add | New Item, select the Visual C# | Web | SignalR node in the Installed
      pane, select SignalR Hub Class (v2) from the center pane, and create a new hub named ChatHub.cs. You will use this class as a SignalR server hub that sends messages to all clients.
      C: Use the SignalR jQuery library in a web page to send messages and display updates from the hub. D: Create an OWIN startup class to configure the application.
      References: https://www.asp.net/signalr/overview/getting-started/tutorial-getting-started-with-signalr-and-mvc

      NEW QUESTION 10
      You are developing an ASP.NET MVC application.
      The application provides a RESTful API for third-party applications. This API updates the information for a contact by embedding the information in the URL of an HTTP POST.
      You need to save the Contact type when third-party applications use the EditContact method.
      Which code segment should you use? {Each correct answer presents a complete solution. Choose all that apply.)
      70-486 dumps exhibit

      • A. Option A
      • B. Option B
      • C. Option C
      • D. Option D

      Answer: BC

      Explanation: Basics of RESTful services:
      REST stands for Representational State Transfer, it is a simple stateless architecture that runs over HTTP where each unique URL is representation of some resource. There are four basic design principles which should be followed when creating RESTful service:
      * Use HTTP methods (verbs) explicitly and in consistent way to interact with resources (Uniform Interface),
      i.e. to retrieve a resource use GET, to create a resource use POST, to update a resource use PUT/PATCH, and to remove a resource use DELETE.
      Etc.

      NEW QUESTION 11
      HOTSPOT
      You are developing an ASP.NET MVC application to display product information. The application has two
      views. The first view displays a list of product names. When you select a product name, the second view shows detailed information for the product that is selected. The product detail view receives a query string value that contains as identifier for the product that is selected.
      The product controller for the application has the following requirements:
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      You need to implement the product controller.
      How should you complete the relevant code? To answer, select the appropriate code from each list in the answer area.
      70-486 dumps exhibit

        Answer:

        Explanation: Box 1: [OutputCache(Duration = 86400, VaryByParam ="none")]
        The list of products must be cached daily. One day is 86400 seconds (60*60*24).
        Note: The Duration parameter is the time, in seconds, that the page or user control is cached. Setting this attribute on a page or user control establishes an expiration policy for HTTP responses from the object and will automatically cache the page or user control output.
        Box 2: [OutputCache(Duration = 3600, VaryByParam ="id")]
        The product details view must cache data for one hour, based on the product that is selected. One hour is 3600 seconds (60* 60).
        References: https://msdn.microsoft.com/en-us/library/hdxfb6cy(v=vs.100).aspx

        NEW QUESTION 12
        HOTSPOT
        You are developing an ASP.NET MVC 4 application. You are using IntelliTrace to debug the application. You configure IntelliTrace as shown in the screenshot below.
        70-486 dumps exhibit
        To answer, make the appropriate selections in the answer area.
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          Answer:

          Explanation: Box 1:
          70-486 dumps exhibit
          Box 2:
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          NEW QUESTION 13
          You are developing an ASP.NET solution that consists of the following components:
          70-486 dumps exhibit
          You plan to use Microsoft Azure DevTest labs to create a testing environment. You create a virtual hard disk for the web front-end that includes aM required components for the legacy applications.
          70-486 dumps exhibit

            Answer:

            Explanation: 70-486 dumps exhibit

            NEW QUESTION 14
            You need to make the "Distance" header of the table bold in the Views/RunLog/GetLog.cshtml view. Which code segment should you use?

            • A. table>tr{ font-weight: bold; }
            • B. table>th:last-child{ font-weight: bold; }
            • C. table+first-child{ font-weight: bold; }
            • D. table>tr>th:nth-child (2) { font-weight: bold; }

            Answer: D

            NEW QUESTION 15
            You define a startup task in the ServiceDefinition.csdef file. The task consists of a batch file that runs a Windows PowerShell script. The script places configuration files in local storage for use in a worker role. The worker role needs this information before starting.
            The worker role does not start after the startup task runs. You need to ensure that the worker role starts.
            What should you do?

            • A. Use environment variables based on members of the RoleEnvironment class instead of static environment variables.
            • B. Configure the task to use the directory specified by the TEMP environment variable.
            • C. Ensure the task completes with an errorlevel of 0.
            • D. Change the task from simple to foreground.

            Answer: C

            Explanation: Startup tasks must end with an errorlevel (or exit code) of zero for the startup process to complete. If a startup task ends with a non-zero errorlevel, the role will not start.
            Note: Startup tasks are actions that are taken before your roles begin and are defined in the ServiceDefinition.csdef file by using the Task element within the Startup element. Frequently startup tasks are batch files, but they can also be console applications, or batch files that start PowerShell scripts.

            NEW QUESTION 16
            Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some questions sets might have more than one correct solution, while others might not have a correct solution.
            After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
            You develop an ASP.NET Core MVC web application. You have a legacy business system that sends data to the web application by using Web API. The legacy business system uses proprietary data formats.
            You need to handle the proprietary data format.
            Solution: Add a custom formatter class to the Web API and implement the IOutputFormatter interface. Does the solution meet the goal?

            • A. Yes
            • B. No

            Answer: A

            NEW QUESTION 17
            DRAG DROP
            You are developing an ASP.NET MVC application that authenticates a user by using claims-based authentication.
            The application must:
            70-486 dumps exhibit
            You need to implement authentication. You have the following code:
            70-486 dumps exhibit
            Which code segments should you include in Target 1, Target 2, Target 3 and Target 4 to build the class constructor? To answer, drag the appropriate code segment to the correct targets 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.
            70-486 dumps exhibit

              Answer:

              Explanation: Target 1: ClaimsIdentity
              Target 2: ClaimType
              Target 3: ClaimTypes
              Target 4: ClaimType
              Example: public class MyIdentityClaim
              {
              private string _identityProvider; private string _identityValue ;
              public const string ACSProviderClaim = "
              http://schemas.microsoft.com/accesscontrolservice/2010/07/claims/identityprovider";
              public MyIdentityClaim(IClaimsIdentity identity)
              {
              if (identity != null)
              {
              foreach (var claim in identity.Claims)
              {
              if (claim.ClaimType == ClaimTypes.NameIdentifier)
              {
              _identityValue = claim.Value;
              }
              if (claim.ClaimType == ACSProviderClaim)
              {
              _identityProvider = claim.Value;
              }
              }
              }
              }

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