[Free] 2018(May) EnsurePass Braindumps Microsoft 70-486 Dumps with VCE and PDF 111-120

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Developing ASP.NET MVC 4 Web Applications

Question No: 111 – (Topic 4)

You are developing an ASP.NET MVC application that uses forms authentication against an Oracle database.

You need to authenticate the users. Which code segment should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: D Explanation:

When implementing a custom membership provider, you are required to inherit the MembershipProvider abstract class.

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 source.

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. A common example of this would be membership data that already exists in a SQL Server database for a company or Web site.

References:

Question No: 112 – (Topic 4)

You are authoring unit tests.

The unit tests must test code that consumes sealed classes.

You need to create, maintain, and inject dependencies in the unit tests. Which isolation method should you use?

  1. T4 text templates and code generation

  2. Stub types

  3. Shim types

  4. Hard-coded implementation

Answer: C Explanation:

Shim types are one of two technologies that the Microsoft Fakes Framework uses to let you easily isolate components under test from the environment. Shims divert calls to specific methods to code that you write as part of your test. Many methods return different results dependent on external conditions, but a shim is under the control of your test and can return consistent results at every call. This makes your tests much easier to write.

References: http://msdn.microsoft.com/en-us/library/hh549176.aspx

Question No: 113 – (Topic 4)

You are developing an ASP.NET MVC application. The application includes the following method- Une numbers are included for reference only.

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The application calls the Generate Message method before displaying each page. The Generate Message method throws NullReferenceException exceptions. You need to use Code Contracts to prevent the exceptions. Which code segment should you insert at line 03?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: B

Question No: 114 DRAG DROP – (Topic 4)

You are developing an ASP.NET MVC application.

You must handle any first chance exceptions that the application throws. The exception handler has the following requirement.

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You need to implement the exception handler. How should you complete the relevant code?

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Answer:

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Question No: 115 – (Topic 4)

You are designing a distributed application.

The application must store a small amount of insecure global information that does not change frequently.

You need to configure the application to meet the requirements.

Which server-side state management option should you use? (Each correct answer presents a complete solution. Choose all that apply.)

  1. Application state

  2. Session state

  3. Database support

  4. Profile properties

Answer: A,C

Question No: 116 – (Topic 4)

You are developing an ASP.NET application that runs on Windows Server 2012. An exception is preventing a page from rendering.

You need to view the trace information for the page.

Which two actions should you perform? Each correct answer presents part of the solution.

  1. Add the following markup segment to the web.config file: lt;trace enabled-#39;quot;true,*/gt;

  2. Load the trace.axd page from the root of the website.

  3. Add the traceEnable element to the Internet Information Services (IIS) MetaBase section for the application.

  4. Add the following markup segment to the web.config file:

lt;trace mostRecent-quot;truequot;/gt;

Answer: A,B

Question No: 117 HOTSPOT – (Topic 4)

HOTSPOT

You are developing an ASP.NET MVC application.

Before an action is executed, information about the action must be written to a log. After results are returned, information about the results also must be written to the log.

You need to log the actions and results. You have the following code:

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Which code segments should you include in Target 1, Target 2 and Target 3 to implement the LogActionFilter class? (To answer, select the appropriate option from the drop-down list in the answer area.)

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Answer:

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Explanation:

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Target 1: IActionFilter

MVC3 introduced a completely new pattern to configure filters for controllers and its actions. While injection of filter attributes is still supported it is recommended using this new pattern for filter configuration because it has the advantage to support constructor injection and does not require the InjectAttribute anymore.

First of all you have to create your filter class by implementing one of the filter interfaces

e.g. IActionFilter.

Target 2: public void OnActionExecuting(ActionExecutingContext filterContext) Target 3: public void OnActionExecuted(ActionExecutedContext filterContext)

References:

Question No: 118 – (Topic 4)

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?

  1. Apply and set the CausesClientSideValidation attribute on the text box to FALSE.

  2. Apply and set the ValidateInput attribute on the text box to FALSE.

  3. Use the HttpRequest.Unvalidated property to read the unvalidated form value.

  4. 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

Question No: 119 – (Topic 4)

You are designing an HTML5 website.

You need to design the interface such that the content is viewable in all types of browsers, including screen readers.

What should you do? (Each correct answer presents a complete solution. Choose all that apply.)

  1. Ensure that content elements have valid and descriptive names.

  2. Use Resource Description Framework (RDF) to describe content elements.

  3. Convert HTML forms to XForms.

  4. Use HTML5 semantic markup elements.

  5. Annotate content elements with Accessible Rich Internet Application (ARIA) attributes.

Answer: D,E

Question No: 120 – (Topic 4)

You are developing an ASP.NET MVC application that uses forms authentication. The application uses SQL queries that display customer order data.

You need to prevent all SQL injection attacks against the application. How should you secure the queries?

  1. Implement parameterization.

  2. Pattern check the input.

  3. Filter out prohibited words in the input.

  4. Escape single quotes on string-based input parameters.

Answer: A Explanation:

With most development platforms, parameterized statements that work with parameters can be used (sometimes called placeholders or bind variables) instead of embedding user input in the statement. A placeholder can only store a value of the given type and not an arbitrary SQL fragment. Hence the SQL injection would simply be treated as a strange (and probably invalid) parameter value.

References:

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