[Free] 2018(June) Dumps4cert Microsoft 70-486 Dumps with VCE and PDF Download 121-130

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Developing ASP.NET MVC 4 Web Applications

Question No: 121 – (Topic 4)

You are developing an ASP.NET MVC application. The application is deployed in a web farm and is accessed by many users.

The application must handle web server failures gracefully. The servers in the farm must share the short-term state information.

You need to persist the application state during the session. What should you implement?

  1. ASP.NET session state

  2. A local database

  3. A state server

  4. Profile properties

Answer: C

Explanation:

ASP.NET session state service provides a somewhat slower service than the in-process variant as we need to make calls to a remote server. All session data is stored in memory so shutting down the state machine will wipe out all session data as well.

References: https://dotnetcodr.com/2013/07/01/web-farms-in-net-and-iis-part-5-session- state-management/

Question No: 122 HOTSPOT – (Topic 4)

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.

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Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Dumps4Cert 2018 PDF and VCE

Box 1: [OutputCache(Duration = 86400, VaryByParam =quot;nonequot;)]

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 =quot;idquot;)]

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

Question No: 123 – (Topic 4)

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.

  1. public ActionResult EditContact(){var c = newContact(){FirstName = Request.QueryString[#39;quot;FirstNamequot;#39;],LastName = Request.QueryString[quot;LastNamequot;]},SaveContact(c);return View(c);}

  2. public ActionResult EditContact(Contact c){SaveContact(c);return View(c);}

  3. public ActionResult EditContact(FormCollection values){var c = newContact(){FirstName

    = values[#39;quot;FirstNamequot;#39;],LastName = values[quot;LastNamequot;]},SaveContact(c);return View(c);}

  4. public ActionResult EditContact(QueryStringProvider values){var c = newContact(){FirstName = values.GetValue[#39;quot;FirstNamequot;#39;],LastName = values.GetValue [quot;LastNamequot;]},SaveContact(c);return View(c);}

Answer: A,B

Question No: 124 HOTSPOT – (Topic 4)

HOTSPOT

You develop an ASP.NET MVC application. The application includes a feature that allows users to reset their passwords. The feature is enabled by a ForgotPassword controller method and a corresponding Razor view.

You need to prevent Cross-Site Request Forgery (CSRF) attacks.

How should you complete the relevant code? To answer, select the appropriate code segment from each list in the answer area.

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Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Target1: [ValidateAntiForgeryToken] Target2: @Html.AntoForgeryToken()

Example:

* At the top of the action that we created to handle the posted form, the one with the [HttpPost] attribute added, we#39;ll add another attribute named [ValidateAntiForgeryToken]. This makes the start of our action now look like the following:

[HttpPost] [ValidateAntiForgeryToken]

public ActionResult ChangeEmail(ChangeEmailModel model)

{

string username = WebSecurity.CurrentUserName;

*rest of function omitted*

* we must add the unique token to the form to change the user#39;s email when we display it. Update the form in the ChangeEmail.aspx view under /Account/ChangeForm:

lt;% using(Html.BeginForm()) { %gt;

lt;%: Html.AntiForgeryToken() %gt;

lt;%: Html.TextBoxFor(t=gt;t.NewEmail) %gt;

lt;input type=quot;submitquot; value=quot;Change Emailquot; /gt;

lt;% } %gt;

Question No: 125 DRAG DROP – (Topic 4)

DRAG DROP

You are developing an ASP.NET MVC web application that requires HTML elements to take on new behaviors. These should be implemented with a behavior script in a page that is only for Microsoft Internet Explorer users.

The colorchange.js script uses the Microsoft CSS vendor-specific Behavior extension. You need to apply the script with CSS.

You need to use the script to change the color of text. You have the following markup:

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Which styles should you include in Target 1 and Target 2 to complete the markup? (To answer, drag the appropriate styles to the correct targets. Each style 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.)

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Answer:

Dumps4Cert 2018 PDF and VCE

Question No: 126 DRAG DROP – (Topic 4)

DRAG DROP

You are developing an ASP.NET MVC web application in Visual Studio 2012.

The application has a model named ReservationLocation that contains properties named City and State.

The view that displays reservations has a single text box named loc for entering the location information. The location is entered as city, state.

There are action methods that have ReservationLocation as a parameter type. You need to ensure that the City and State properties are correctly populated.

How should you implement model binding for the ReservationLocation type? (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.)

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Answer:

Dumps4Cert 2018 PDF and VCE

Question No: 127 – (Topic 4)

You are developing an ASP.NET MVC application by using Visual Studio 2012. The application throws and handles exceptions when it runs.

You need to examine the state of the application when exceptions are thrown.

What should you do?

  1. From the Debug menu in Visual Studio 2012, select Exceptions. Enable the Thrown check box for Common Language Runtime Exceptions.

  2. From the Debug menu in Visual Studio 2012, select Exceptions. Disable the User- unhandled check box for Common Language Runtime Exceptions.

  3. Add the following code to the web.config file of the application.lt;customErrors mode=quot;Onquot; gt;lt;error statusCode=quot;500quot; redirect=quot;CustomErrors.htmlquot; /gt;lt;/customErrorsgt;

  4. Add the following code to the web.config file of the application.lt;customErrors mode=quot;Onquot; gt;lt;error statusCode=quot;404quot; redirect=quot;CustomErrors.htmlquot; /gt;lt;/customErrorsgt;

Answer: A Explanation:

Configuring the debugger to break for first chance exceptions

To change when the debugger breaks, go to Debug-gt;Exceptions…

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When you first open this window you will see that there is a tree grid with one column and checkboxes.

  • Break when Thrown. This includes a default list of exceptions known by the debugger, grouped by category.

    Note: The possible exceptions that could break from this list is determined by the runtime you are debugging. For example, if you are using managed-only debugging then the debugger will never break for C , Win32 Exceptions, etc. even if they are configured to break when thrown.

  • Checkboxes. If you check the box for a category, then the debugger will break for all First Chance Exceptions while debugging. If you don’t want to enable all First Chance Exceptions, you can find the specific exception types that you wish to configure by using the search box.

References:

Question No: 128 – (Topic 4)

You are developing an ASP.NET MVC web application that includes the following method.

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You need to test the AccountBalance method. Which unit test should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: C Explanation:

All unit tests require the [TestMethod] attribute.

The Assert.AreEqual method verifies that specified values are equal.

Incorrect:

Not D: All unit tests require the [TestMethod] attribute.

References: http://msdn.microsoft.com/en-

us/library/microsoft.visualstudio.testtools.unittesting.assert.areequal(v=vs.110).aspx

Question No: 129 HOTSPOT – (Topic 4)

HOTSPOT

You are preparing to test an ASP.NET application. The application includes the following class. Line numbers are included for reference only.

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Data will be imported from another system into the current application. Before importing data, you must run unit tests to validate the data. To be considered valid, the data must

meet the following requirements:

You need to create unit tests that fail if the requirements are not met.

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How should you complete the relevant code? To answer, select the appropriate code segment from each list in the answer area.

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Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Box 1: TestClass

Box 2: TestMethod

Box 3: Assert.Istrue

Box 4: TestMethod

Box 5: Assert.IsNotNull

Box 1: TestClass

The [TestClass] attribute is required in the Microsoft unit testing framework for managed code for any class that contains unit test methods that you want to run in Test Explorer. Box 2: TestMethod

Set the following attributes for the unit test: [TestMethod]

All unit tests require the [TestMethod] attribute.

Box 3: Assert.Istrue

The value passed into the GetResults method must be greater than or equal to zero. Box 4: TestMethod

Box 5: Assert.IsNotNull

The value passed into the GetUserInfo method must not be null. References: https://msdn.microsoft.com/en-us/library/ms182532.aspx

Question No: 130 – (Topic 4)

You are designing an enterprise-level Windows Communication Foundation (WCF) application. User accounts will migrate from the existing system. The new system must be able to scale to accommodate the increasing load.

The new servers are experiencing significant stress under load of large-scale role changes. You need to ensure that the application can handle the stress.

Which authorizations should you redesign? (Each correct answer presents a complete solution. Choose all that apply.)

  1. Role-based approach

  2. Identity-based approach

  3. Resource-based trusted subsystem model

  4. Resource-based impersonation/delegation model

Answer: A,C

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