[Free] 2018(June) Ensurepass Microsoft 70-494 Dumps with VCE and PDF 41-50

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Recertification for MCSD: Web Applications

Question No: 41 DRAG DROP – (Topic 3)

You need to ensure that the transcode.exe utility is installed before the worker role starts. You have the following markup:

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Which markup segments should you include in Target 1, Target 2, Target 3, Target 4 and Target 5 to implement the startup task? To answer, drag the appropriate markup segments to the correct targets. Each markup segments 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:

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Explanation:

Target 1: simple Target 2:Environment Target 3:Variable

Target 4: VariableTarget 5: Environment

Question No: 42 – (Topic 3)

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?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

  5. Option E

Answer: B

Question No: 43 – (Topic 3)

You need to ensure that all customers can delete videos regardless of their browser capability.

Which code segment should you use as the body of the SendAsync method in the DeleteHandler class?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: B

Topic 4, Mixed Questions Set 1

Question No: 44 – (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

Question No: 45 – (Topic 4)

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.)

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: B,D

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.

Question No: 46 – (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.

Reference: https://en.wikipedia.org/wiki/SQL_injection#Parameterized_statements

Question No: 47 – (Topic 4)

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.)

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: A,C

Reference: Examining the Details and Delete Methods

http://www.asp.net/mvc/overview/getting-started/introduction/examining-the-details-and- delete-methods

Question No: 48 – (Topic 4)

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.)

  1. LINQ to SQL

  2. Entity Framework

  3. DataAdapter

  4. DataReader

Answer: A,B,C

Question No: 49 – (Topic 4)

You are developing an ASP.NET MVC web application in Visual Studio 2012. The application requires several thousand content files. All content is hosted on the same IIS instance as the application.

You detect performance issues when the application starts.

You need to resolve the performance issues. What should you do?

  1. Implement HTTP caching in the ASP.NET MVC controllers.

  2. Combine the content files by using ASP.NET MVC bundling.

  3. Install a second IIS instance.

  4. Move the content to a Windows Azure CDN.

Answer: B

Question No: 50 – (Topic 4)

You are developing a controller for an ASP.NET MVC application that manages message board postings.

The security protection built in to ASP.NET is preventing users from saving their HTML.

You need to enable users to edit and save their HTML while maintaining existing security protection measures.

Which code segment should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: B

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