70-486 Exam
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Q61. - (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?
A. Apply and set the CausesClientSideValidation attribute on the text box to FALSE.
B. Apply and set the ValidateInput attribute on the text box to FALSE.
C. Use the HttpRequest.Unvalidated property to read the unvalidated form value.
D. Use the HttpRequest.Form property to read the unvalidated form value.
Answer: C
Explanation: Provides access to HTTP request values without triggering request validation.
http://msdn.microsoft.com/en-us/library/system.web.httprequest.unvalidated.aspx
Q62. - (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.)
A. Option A
B. Option B
C. Option C
D. 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.
Q63. - (Topic 4)
You are developing an ASP.NET MVC application that will be deployed to servers on multiple networks.
The application must be compatible with multiple browsers. You must track the page number that the user is viewing in search results.
You need to program the location for storing state information.
Where should you persist state information?
A. Session
B. QueryString
C. Application
D. TempData
Answer: B
Q64. - (Topic 4)
You are designing a distributed banking application that handles multiple customers. A user may log on to the site to perform activities such as checking balances, performing transactions, and other activities that must be done securely.
The application must store secure information that is specific to an individual user. The data must be automatically and securely purged when the user logs off.
You need to save transient information in a secure data store.
Which data store should you use?
A. NET session state
B. NET profile properties
C. NET application state
D. Shared database
Answer: A
Q65. HOTSPOT - (Topic 4)
You are developing an ASP.NET MVC application. The application includes the following code. Line numbers are included for reference only.
You add the following markup to the system.web section of the web.config file:
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
Answer:
Q66. - (Topic 4)
You are designing a localized ASP.NET application to support multiple cultures. You need to ensure that the application can be displayed in several languages. How should you implement this feature?
A. Use a resource (.resx) file.
B. Include language-specific content in the assembly manifest.
C. Use Systems.Collections.Generics.Dictionary to store alternative translations.
D. Ensure that all strings are marked internal.
Answer: A
Q67. - (Topic 4)
You are developing an Azure worker role. You enable crash dump collection for the role.
When the role starts, an external application stops responding.
You need to download the crash dump to determine why the application stops responding.
From which two locations can you download the crash dump? Each correct answer presents a complete solution.
A. Azure Blob storage
B. the temp folder on the virtual machine that is running the role instance
C. Azure file storage
D. the DiagnosticStore local resource folder on the virtual machine that is running the role instance
Answer: A,D
Explanation: When you enable collection of crash dumps, the resulting data is written to the CrashDumps directory in the DiagnosticStore local resource that is automatically configured for your role. When crash dump data is transferred to persistent storage, it is stored to the wad-crash-dumps Blob container.
Reference: CrashDumps.EnableCollection Method
https://msdn.microsoft.com/library/microsoft.windowsazure.diagnostics.crashdumps.enable collection.aspx
Q68. - (Topic 4)
You are developing an application that uses many small images.
When the images load, the application runs slowly.
You need to improve the performance of the application.
What should you do?
A. Preload all the images when the application starts to ensure that the images are cached.
B. Convert the images to ICO file format and stream all images on a single connection.
C. Host all images on a Microsoft Azure web role with multiple instances.
D. Combine all the images into a single image and use CSS to create sprites.
Answer: D
Explanation: Because browsers limit how many concurrent HTTP requests they make to a website, a web page with many small icon images can result in a longer load time. You can combine many small images into a single larger image - a CSS sprite - using the free ASP.NET Sprite and Image Optimization Library available from Microsoft.
Reference: CSS Sprites and the ASP.NET Sprite and Image Optimization Library
http://dotnetslackers.com/articles/aspnet/CSS-Sprites-and-the-ASP-NET-Sprite-and-Image-Optimization-Library.aspx
Q69. DRAG DROP - (Topic 4)
You are developing an ASP.NET MVC application in Visual Studio 2012. The application contains sensitive bank account data.
The application contains a helper class named SensitiveData.Helpers.CustomEncryptor.
The application must not display AccountNumber in clear text in any URL.
You need to build the view for the GetAccounts action.
How should you build the view? (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.)
Answer:
Q70. - (Topic 3)
You need to ensure that all the MVC controllers are secure.
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: C