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New Microsoft 70-486 Exam Dumps Collection (Question 2 - Question 11)
Question No: 2
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: 3
You are developing an ASP.NET MVC application that uses forms authentication. The application uses SQL queries that display customer order data.
Logs show there have been several malicious attacks against the servers.
You need to prevent all SQL injection attacks from malicious users against the application. How should you secure the queries?
A. Check the input against patterns seen in the logs and other records.
B. Escape single quotes and apostrophes on all string-based input parameters.
C. Implement parameterization of all input strings.
D. Filter out prohibited words in the input submitted by the users.
Answer: C
Explanation:
SQL Injection Prevention, Defense Option 1: Prepared Statements (Parameterized Queries)
The use of prepared statements (aka parameterized queries) is how all developers should first be taught how to write database queries. They are simple to write, and easier to understand than dynamic queries. Parameterized queries force the developer to first define all the SQL code, and then pass in each parameter to the query later. This coding style allows the database to distinguish between code and data, regardless of what user input is supplied.
Prepared statements ensure that an attacker is not able to change the intent of a query, even if SQL commands are inserted by an attacker.
Question No: 4
You are developing a new ASP.NET MVC application that will be hosted on Microsoft Azure. You need to implement caching.
The caching solution must support the following:
You need to select a cache solution.
Which caching solution should you choose?
A. ASP.NET Caching
B. Azure In-Role Cache
C. Azure Redis Cache
D. Azure Managed Cache Service
Answer: C
Question No: 5
You are developing an ASP.NET application that allows users to download Microsoft Azure log files. You need to improve the performance of the application.
What should you do?
A. Minify the content files.
B. Enable compression in IIS.
C. Bundle the content files into a single .tar file.
D. Host the image, JavaScript, and CSS files on a different server.
Answer: C
Explanation:
Bundling is a new feature in ASP.NET 4.5 that makes it easy to combine or bundle multiple files into a single file. You can create CSS, JavaScript and other bundles. Fewer files means fewer HTTP requests and that can improve first page load performance.
References: https://www.asp.net/mvc/overview/performance/bundling-and-minification
Question No: 6
You are developing an ASP.NET MVC application that supports multiple cultures and multiple languages. The application will be sold to international customers.
The ASP.NET MVC application must store localized content in satellite assemblies for multiple languages.
You need to generate the satellite assemblies during an automated build. Which tool should you use?
A. Gacutil.exe
B. Al.exe
C. Ildasm.exe
D. nasm.exe
Answer: B
Explanation:
Use the Assembly Linker (Al.exe) to compile .resources files into satellite assemblies. Al.exe creates an assembly from the .resources files that you specify. By definition, satellite assemblies can only contain resources. They cannot contain any executable code.
The following Al.exe command creates a satellite assembly for the application MyApp from the file strings.de.resources.
al /t:lib /embed:strings.de.resources /culture:de /out:MyApp.resources.dll References: https://technet.microsoft.com/en-us/library/21a15yht(v=vs.85)
Question No: 7
You are building an ASP.NET web application.
You must test the web application in multiple browsers at the same time. You need to ensure that the application can use the Browser Link feature.
Which two actions should you perform? Each correct answer presents part of the solution.
A. In the web.config file, set the value of the debug attribute to False.
B. In the web.config file, set the value of the debug attribute to True.
C. Enable Browser link.
D. Use an external editor for webpages.
E. Enable source control server support.
Answer: B,C
Explanation:
Debugging must be enabled in the web.config file.
To enable Browser Link, set debug=true in the <compilation> element in the projectu2021s Web.config file.
References: https://www.asp.net/visual-studio/overview/2013/using-browser-link
Question No: 8
You are developing an ASP.NET MVC application that uses forms authentication. The user
database contains a user named OrderAdmin. You have the following requirements:
You need to implement the controller to meet the requirements.
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
Explanation:
With MVC4 a new attribute has been introduced, namely the [AllowAnonymous] attribute. Together with the [Authorize] attribute, you can now take a white-list approach instead. The white-list approach is accomplished by dressing the entire controller with the [Authorize] attribute, to force authorization for all actions within that controller. You can then dress specific actions, that shouldn't require authorization, with the [AllowAnonymous] attribute, and thereby white-listing only those actions. With this approach, you can be confident that you don't, by accident, forget to dress an action with the [Authorize], leaving it available to anyone, even though it shouldn't.
References: http://stackoverflow.com/questions/9727509/how-to-allow-an-anonymous-user-access-to-some-given-page-in-mvc
Question No: 9
You need to secure the administrative functions for all MVC controllers.
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: D
Explanation:
The MemberInfo.CustomAttributes property gets a collection that contains this member's custom attributes.
The Any() statement will either return null or a collection of matched custom attributes. If it matches one or more, the controller is secure, otherwise an exception is thrown.
From scenario: The application contains a header that is visible on every page.
If the logged-on user is an administrator, then the header will contain links to administrative functions. This information is read from a cookie that is set on the server. The administrative links must not be present if an error condition is present.
Incorrect:
Not B: controller.GetType().Attributes will not return custom attributes.
References: https://msdn.microsoft.com/en-us/library/system.reflection.memberinfo.customattributes(v=vs.110).aspx
Question No: 10
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?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
Question No: 11
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
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