Up To Date 70-486 Class 2021

NEW QUESTION 1

You are developing an ASP.NET MVC application that uses forms authentication against a third-party database.
You need to authenticate the users. Which code segment should you use?

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

Answer: D

Explanation:
ASP.NET membership is designed to enable you to easily use a number of different membership providers for your ASP.NET applications.
There are two primary reasons for creating a custom membership provider.
* You need to store membership information in a data source that is not supported by the membership providers included with the .NET Framework, such as a FoxPro database, an Oracle database, or other data sources.
* You need to manage membership information using a database schema that is different from the database schema used by the providers that ship with the .NET Framework.
To implement a membership provider, you create a class that inherits the MembershipProvider abstract class from the System.Web.Security namespace.
Incorrect:
Not C: Class ProviderBase
The provider model is intended to encapsulate all or part of the functionality of multiple ASP.NET features, such as membership, profiles, and protected configuration.
References: https://msdn.microsoft.com/en-us/library/f1kyba5e.aspx

NEW QUESTION 2

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 3

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

Answer: A

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

NEW QUESTION 4

You are building an ASP.NET application for a purchasing system.
The application has a method named CalculateBalance in the Purchasing class. You need to create a unit test for the CalculateBalance method.
Which five actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
Step 1: Select the Purchasing Project and add a new Unit Test Project. First we create a Unit Test Project within the current project.
Step 2:

You can turn an existing unit test into an ASP.NET unit test by configuring it, that is, by assigning values to certain of the test's custom attributes. You set these values in the code file that contains the unit test.
All unit tests require the [TestMethod] attribute. Step 3: Build the solution
Step 4: Run all tests
Step 5: Debug the solution
After you run a unit test, if you chose to edit the test run configuration when you ran the test, you can open the Code Coverage window to see what percentage of the methods in the code that you are testing were covered by your unit tests.
Incorrect: Not:

You do not set up testing by creating copies of methods.
References: https://msdn.microsoft.com/en-us/library/ms182526(v=vs.90).aspx

NEW QUESTION 5

You are developing an ASP.NET MVC application that enables you to edit and save a contact. The application must not save on an HTTP GET request.
You need to implement the controller.
Which two possible code segments should you use? Each correct answer presents a complete solution.

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

Answer: AB

Explanation:
A: We retrieve the GET and POST methods through this.HttpContext.Request.RequestType.
B: This is the default MVC implementation of having separate methods for GET and POST via function overloading.
Incorrect:
Not D: We retrieve the GET and POST methods through this.HttpContext.Request.RequestType, not through this.HttpContext.Request["ActionName"].

NEW QUESTION 6
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

NEW QUESTION 7

You are developing an ASP.NET MVC application.
The application has a contact view includes a form for editing the displayed contact.
You need to save the Contact object model when the form is posted back to the EditContact method using a POST method request.
Which code segment should you use? Each correct answer presents a complete solution. Choose all that apply.

• A. public ActionResult EditContact(){var c = newContact(){FirstName = Request.QueryString['"FirstName"'],LastName = Request.QueryString["LastName"]},SaveContact(c);return View(c);}
• B. public ActionResult EditContact(Contact c){SaveContact(c);return View(c);}
• C. public ActionResult EditContact(FormCollection values){var c = newContact(){FirstName = values['"FirstName"'],LastName = values["LastName"]},SaveContact(c);return View(c);}
• D. public ActionResult EditContact(QueryStringProvider values){var c = newContact(){FirstName = values.GetValue['"FirstName"'],LastName = values.GetValue ["LastName"]},SaveContact(c);return View(c);}

Answer: AB

NEW QUESTION 8

You are developing an ASP.NET MVC application that will be deployed on local Internet Information Services (IIS) servers and on an Azure Web Role.
You must log events for the application when it is deployed locally and on Azure. You must not deploy additional services.
You need to implement a logging solution.
Which two technologies can you use? Each correct answer presents a complete solution.

• A. event log
• B. trace
• C. console
• D. named pipe

Answer: AB

NEW QUESTION 9

You are developing an ASP.NET Core MVC web application. The application is configured to use a Startup class.
The /status action must be tested on each check-in to source control. You need to test the application.
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 point.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
Example: Specify the Startup class with the WebHostBuilderExtensions UseStartup<TStartup> method: public class Program
{
public static void Main(string[] args)
{
BuildWebHost(args).Run();
}
public static IWebHost BuildWebHost(string[] args) => WebHost.CreateDefaultBuilder(args) UseStartup<Startup>()
Build();
}
References: https://docs.microsoft.com/en-us/aspnet/core/fundamentals/startup?view=aspnetcore-2.1

NEW QUESTION 10

You are developing an ASP.NET Core Web API.
API methods must use JSON Web Tokens (JWT) to authenticate the method caller. You need to implement JWT authentication.
How should you complete the code? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 11
You need to modify the application to meet the productId requirement. Which code segment should you use?

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

Answer: C

Explanation:
Scenario: The value of the productId property must always be greater than 0.
Note: The Contract.Requires(Of TException) method specifies a precondition contract for the enclosing method or property, and throws an exception if the condition for the contract fails.
Syntax: 'Declaration
Public Shared Sub Requires(Of TException As Exception) ( _ condition As Boolean _) Type Parameters
TException
The exception to throw if the condition is false.
Parameters condition
Type: System.Boolean
The conditional expression to test.
Reference: Contract.Requires(Of TException) Method (Boolean)

NEW QUESTION 12

You are developing an ASP.NET MVC application to be used on the Internet. The environment uses Active Directory with delegation to access secure resources.
Users must be able to log on to the application to maintain their personal preferences. You need to use the least amount of development effort to enable users to log on.
What should you do?

• A. Enable Forms authentication
• B. Enable Windows authentication
• C. Generate server SSL certificates and install them in IIS
• D. Enable Digest authentication

Answer: B

Explanation:
Requirements for Delegation
Delegation relies on Integrated Windows authentication to access resources. There is no limit on the number of computers that you can delegate your account -- you must correctly configure each of them. The Integrated Windows authentication method works only if the following two conditions exist:
/ You set up your network to use the Kerberos authentication protocol that requires Active Directory.
/ You set up the computers and accounts on your network as trusted for delegation. References: https://support.microsoft.com/en-us/kb/810572

NEW QUESTION 13

You are developing a Microsoft Azure ASP.NET Core web application named onlinestore.
Users report bugs with the web application that only occur on development deployments. The bugs are in a third-party component.
You need to gather a memory dump of the running application to provide to the component vendor.
How should you construct the URI to gather the memory dump? To answer, drag the appropriate URI segments to the correct locations. Each URI segment may be used once, more than once, or mot at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 14

You are developing an ASP.NET MVC application that supports multiple cultures and multiple languages. The application will be sold to international customers.
The ASP.NET MVC application must store localized content in satellite assemblies for multiple languages. You need to generate the satellite assemblies during an automated build.
Which tool should you use?

• A. Gacutil.exe
• B. Al.exe
• C. Ildasm.exe
• D. nasm.exe

Answer: B

Explanation:
Use the Assembly Linker (Al.exe) to compile .resources files into satellite assemblies. Al.exe creates an
assembly from the .resources files that you specify. By definition, satellite assemblies can only contain resources. They cannot contain any executable code.
The following Al.exe command creates a satellite assembly for the application MyApp from the file strings.de.resources.
al /t:lib /embed:strings.de.resources /culture:de /out:MyApp.resources.dll References: https://technet.microsoft.com/en-us/library/21a15yht(v=vs.85)

NEW QUESTION 15

DRAG DROP
You are developing an ASP.NET MVC application in Visual Studio. The application contains sensitive bank account data.
The application contains a helper class named SensitiveData.Helpers.CustomEncryptor.

The application contains a controller named BankAccountController with two actions.

The application contains a model named BankAccount, which is defined in the following code segment.

The application must not display AccountNumber in clear text in any URL. You need to build the view for the GetAccounts action.
You have the following code:

Which code segments should you include in Target 1, Target 2 and Target 3 to build the view? To answer, drag the appropriate code segment to the correct targets. 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.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
Target1: maskedAccountNum Target2: custEncrypt
Target3: Encrypt(item.AccountNumber) SensitiveData.Helpers

NEW QUESTION 16

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

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.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
http://garvincasimir.wordpress.com/2012/04/05/tutorial-mvc-application-using-azure-acs-and-forms-authenticati

NEW QUESTION 17

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:

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.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
http://techbrij.com/1013/display-mode-mobile-tablet-tv-aspnet-mvc

NEW QUESTION 18

You develop an ASP.NET MVC application that includes the following class. Line numbers are included for reference only.

You must use the Razor view engine to display all property values for the class. You need to implement the view.
How should you complete the relevant code?

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 19
The GetDealPrice method must be called by using Ajax.
You need to get the price of a product by using the GetDealPrice method of the ProductController.
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: CD

NEW QUESTION 20

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) {…}
• B. @media screen and (min-width: 500px) {…}
• C. @media screen(min-width: 500px, max-width: 1000px) {…}
• D. @media resolution(min-width: 500px) {…}

Answer: B

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

NEW QUESTION 21
You need to secure the administrative functions for all MVC controllers.
Which code segment should you use as the body for the CreateController method in AdminVerifierFactory.cs?

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

Answer: D

Explanation:
The MemberInfo.CustomAttributes property gets a collection that contains this member's custom attributes.
The Any() statement will either return null or a collection of matched custom attributes. If it matches one or more, the controller is secure, otherwise an exception is thrown.
From scenario: The application contains a header that is visible on every page.
If the logged-on user is an administrator, then the header will contain links to administrative functions. This information is read from a cookie that is set on the server. The administrative links must not be present if an error condition is present.
Incorrect:
Not B: controller.GetType().Attributes will not return custom attributes. References: https://msdn.microsoft.com/en- us/library/system.reflection.memberinfo.customattributes(v=vs.110).aspx
Case Study: 4, Mixed Question s

NEW QUESTION 22

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: CD

NEW QUESTION 23
DRAG DROP
You need to implement security according to the business requirements.
How should you modify RunLogController? (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.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 24

You are designing a localized ASP.NET MVC online shopping application that will be deployed to customers in the United States, China, France, and Brazil. The application must support multiple cultures so that content in the appropriate language is available in each area.
You need to ensure that the content can be viewed in several languages. How should you implement this feature?

• A. Use a resource (.resx) file to provide translations.
• B. Use Systems.Collections.Generics.Dictionary to store alternative translations.
• C. Ensure that all strings are marked internal to avoid conflict with internal literals.
• D. Include language-specific content in the assembly manifest and use .NET culture libraries.

Answer: A

Explanation:
A resource file is an XML file that contains the strings that you want to translate into different languages or paths to images. The resource file contains key/value pairs. Each pair is an individual resource. Key names are not case sensitive. For example, a resource file might contain a resource with the key Button1 and the value Submit.
You create a separate resource file for each language (for example, English and French) or for a language and culture (for example English [U.K.], English [U.S.]). Each localized resource file has the same key/value pairs; the only difference is that a localized resource file can contain fewer resources than the default resource file. The built-in language fallback process then handles loading the neutral or default resource.

NEW QUESTION 25
Customers download videos by using HTTP clients that support various content encodings. You need to configure caching on the DownloadVideo action to maximize performance. Which attribute should you add?

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

Answer: E

NEW QUESTION 26
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