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New Microsoft 70-486 Exam Dumps Collection (Question 1 - Question 10)
Question No: 1
You are developing an ASP.NET MVC application that provides instant messaging capabilities to customers.
You have the following requirements:
You need to design the application to meet the requirements. What should you do?
A. Configure polling from the browser.
B. Implement long-running HTTP requests.
C. Implement WebSockets protocol on the client and the server.
D. Instantiate a MessageChannel object on the client.
Answer: D
Question No: 2
You are developing an ASP.NET MVC application in Visual Studio 2012. The application supports multiple cultures.
The application contains three resource files in the Resources directory:
Each file contains a public resource named Currency with the localized currency symbol. The application is configured to set the culture based on the client browser settings.
The application contains a controller with the action defined in the following code segment. (Line numbers are included for reference only.)
You need to set ViewBag.LocalizedCurrency to the localized currency contained in the resource files.
Which code segment should you add to the action at line 03?
A. ViewBag.LocaIizedCurrency = Resources.ProductDictionary.Currency;
B. VievBag.LocalizedCurrency = HttpContext.GetGlobalResourceObject("ProductDictionary", "Currency", new System.Globalization.CultureInfo(Men"));
C. VievBag.LocalizedCurrency = HttpContext.GetLocalResourceObject("ProductDictionary", "Currency");
D. ViewBag.LocalizedCurrency = HttpContext.GetGlobalResourceObject("ProductDictionary", "Currency");
Answer: A
Explanation:
Only the Resources class is used.
Question No: 3
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.
You need to ensure that the application can handle large-scale role changes.
What should you use for authorization? (Each correct answer presents a complete solution. Choose all that apply.)
A. Resource-based trusted subsystem model
B. Identity-based approach
C. Role-based approach
D. Resource-based impersonation/delegation model
Answer: B,C
Explanation:
Advanced Maturity: Authorization as a Service
In the advanced level of maturity for authorization, role storage and management is consolidated and authorization itself is a service available to any solution that is service- enabled.
* The Trusted Subsystems Model
Once authorization is available as an autonomous service, the need for impersonation is eliminated. Instead of assuming the identity of the user, the application uses its own credentials to access services and resources, but it captures the user's identity and passes it as a parameter (or token) to be used for authorization when a request is made. This model is referred to as the trusted subsystem model, because the application acts as a trusted subsystem within the security domain.
Question No: 4
You are developing a controller for an ASP.NET MVC application that manages blog 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?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Explanation:
Example: ValidateInput at Action Method Level
The user can submit Html for this action method successfully with the following code.
public class HomeController : Controller
{
public ActionResult AddArticle()
{
return View();
}
[ValidateInput(false)] [HttpPost]
public ActionResult AddArticle(BlogModel blog)
{
if (ModelState.IsValid)
{
}
return View();
}
}
References: http://www.dotnettricks.com/learn/mvc/html-submission-by-validateinput-and-allowhtml-attribute-in-mvc4
Question No: 5
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:
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: 6
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.es?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Question No: 7
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?
A. From the Debug menu in Visual Studio 2012, select Exceptions. Enable the Thrown check box for Common Language Runtime Exceptions.
B. From the Debug menu in Visual Studio 2012, select Exceptions. Disable the User- unhandled check box for Common Language Runtime Exceptions.
C. Add the following code to the web.config file of the application.<customErrors mode="On" ><error statusCode="500" redirect="CustomErrors.html" /></customErrors>
D. Add the following code to the web.config file of the application.<customErrors mode="On" ><error statusCode="404" redirect="CustomErrors.html" /></customErrors>
Answer: A
Explanation:
Configuring the debugger to break for first chance exceptions
To change when the debugger breaks, go to Debug->Exceptionsu2026
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 donu2021t 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: 8
You updated the web.config file with the HTTP run-time value required to display an alternative version of the site.
You need to ensure that the correct page displays to the users. Which code segment should you use to update the controller?
A. If (Request.IsTabletDevice)
B. If (Request.Browser.IsBrowser("Mobile"))
C. If (Request.UserAgent["Tablet"])
D. If (Request.Browser.IsMobileDevice)
Answer: D
Question No: 9
You are creating a new authentication system that uses an HTTP header value. The existing authentication system must continue to operate normally.
You need to implement the custom authentication.
What should you do? (Each correct answer presents a complete solution. Choose all that apply.)
A. Create a class derived from ActionResult and check for a valid HTTP header value in the ExecuteResult method. Change all actions to return this new class.
B. Create an HttpHandler to check for a valid HTTP header value in the ProcessRequest method.
C. Create an HttpModule and check for a valid HTTP header value in the AuthenticateRequest event.
D. Create a class derived from AuthorizeAttribute and check for a valid HTTP header value in the AuthorizeCore method. Change usages of the existing AuthorizeAttribute to use the new class.
Answer: C,D
Question No: 10
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: C,D
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