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2021 Apr 70-486 practice exam
Q71. DRAG DROP - (Topic 3)
You need to ensure that the transcode.exe utility is installed before the worker role starts.
How should you implement the startup task? (To answer, drag the appropriate values to the correct element or attribute. Each value 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:
Q72. - (Topic 4)
You develop an ASP.NET MVC application. The application has a controller named PeopleController.cs. The controller has an action method that returns a parent view. The parent view includes the following code. Line numbers are included for the reference only.
The application also contains a partial view named People. The parent view must display the partial view.
You need to add code at line 09 to display the partial view within the parent view.
Which two code segments will achieve the goal? Each correct answer presents a complete solution.
A. @{ Html.RenderPartial(“People”, Model);}
B. @Html.Partial(“People”, Model)
C. @Html.Display(“People”, Model)
D. @Html.Raw(“People”)
Answer: B
Explanation: By default, any partial view rendered by calling @Html.Partial("PartialViewName") will get the view model passed to the parent view.
Reference: How to populate mvc razor partial view
http://stackoverflow.com/questions/13769707/how-to-populate-mvc-razor-partial-view
Q73. - (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
Q74. - (Topic 4)
You are developing an ASP.NET MVC application that will run on Azure.
The application uses Event Tracing for Windows (ETW) for logging operations.
You need to retrieve the ETW data for the application from a deployed Azure instance by using the Azure Diagnostics API.
Which data source should you use?
A. Azure Diagnostic infrastructure logs
B. Windows event logs
C. performance counters
D. .NET EventSource
Answer: D
Explanation: Azure Diagnostics 1.2 and 1.3 are Azure extensions that enable you to
collect diagnostic telemetry data from a worker role, web role, or virtual machine running in
Azure.
Diagnostics 1.2 and 1.3 enable the collection of ETW and .NET EventSource events.
Example:
EtwProviders>
<EtwEventSourceProviderConfiguration provider="SampleEventSourceWriter"
scheduledTransferPeriod="PT5M">
<Event id="1" eventDestination="EnumsTable"/>
<Event id="2" eventDestination="MessageTable"/>
<Event id="3" eventDestination="SetOtherTable"/>
<Event id="4" eventDestination="HighFreqTable"/>
<DefaultEvents eventDestination="DefaultTable" />
</EtwEventSourceProviderConfiguration>
</EtwProviders>
Reference: Enabling Diagnostics in Azure Cloud Services and Virtual Machines
https://azure.microsoft.com/sv-se/documentation/articles/cloud-services-dotnet-diagnostics/
Q75. - (Topic 4)
You are designing a distributed application that runs on the Microsoft Azure platform.
The application must store a small amount of insecure global information for all users that
does not change frequently.
You need to configure the application to meet the requirements.
Which server-side state management option should you use? Each correct answer presents a complete solution. Choose all that apply.
A. profile properties of the Microsoft Azure application
B. Microsoft Azure session state
C. SQL Database
D. Microsoft Azure application state
Answer: A
Explanation: In many applications, you want to store and use information that is unique to a user. When a user visits your site, you can use the information you have stored to present the user with a personalized version of your Web application. Personalizing an application requires a number of elements: you must store the information using a unique user identifier, be able to recognize users when they visit again, and then fetch the user information as needed. To simplify your applications, you can use the ASP.NET profile feature, which can perform all of these tasks for you.
Leading 70-486 exam cram:
Q76. - (Topic 4)
You are developing an application that uses many small images for various aspects of the interface.
The application responds slowly when additional resources are being accessed.
You need to improve the performance of the application.
What should you do?
A. Preload all the images when the client connects to ensure that the images are cached.
B. Combine all the images into a single image and use CSS to create sprites.
C. Host all images on an alternate server and provide a CDN.
D. Convert the images to .png file format and stream all images on a single connection.
Answer: C
Q77. DRAG DROP - (Topic 4)
You are building an ASP.NET MVC web application.
The application will be viewed by users on their mobile phones.
You need to ensure that the page fits within the horizontal width of the device screens.
You have the following markup:
Which markup segments should you include in Target 1, Target 2 and Target 3 to complete the markup? (To answer, drag the appropriate markup segments to the correct targets. Each line of code 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:
Q78. DRAG DROP - (Topic 1)
You need to ensure that only valid parameters are passed to the EditLog action.
How should you build the route? (To answer, drag the appropriate code segments 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:
Q79. - (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.)
A. LINQ to SQL
B. Entity Framework
C. DataAdapter
D. DataReader
Answer: A,B,C
Q80. - (Topic 3)
You need to ensure that developers can connect to a Microsoft Azure role by using RDP.
What should you do?
A. Export a certificate with a private key. Upload the .pfx file to the Certificates section under the TranscodeWorkerRole hosted service on the Azure Management Portal.
B. Export a certificate with a private key. Upload the .pfx file to the Management Certificates section on the Azure Management Portal.
C. Export a certificate without a private key. Upload the .cer file to the Management Certificates section on the Azure Management Portal.
D. Export a certificate without a private key. Upload the .cer file to the Certificates section under the TranscodeWorkerRole hosted service on the Azure Management Portal.
Answer: A
Explanation: In case you don’t want to use the RDP certificate created by Windows Azure Tools and want to use a custom certificate instead, the following steps will guide you. These steps can also be used in case package is not being published from Visual Studio rather it is being built locally, saved in either Local Machine's Drive or Windows Azure Blob Storage and subsequently published from there.
Here are the steps which are required to get pass the publishing error which you might be running into. You would need to upload the Certificate with Private Key to the portal (when Visual Studio is used this is done in the background).
Detailed steps.
1.
In Visual Studio, go to the solution which is being developed.
2.
Right click the Web Project -> Configure Remote Desktop -> click on View to see Certificate details (Since I don’t have a custom certificate I will use one create by Windows Azure Tools itself)
3.
Go to Details tab on Certificate -> Click Copy to file.. -> Next -> Select ‘Yes, export the private key’ -> Next -> Continue with default setting and create a password when asked (please refer below screenshots)
4.
These steps will generate a .PFX file for this certificate. Now we need to upload this certificate to the portal (for the respective cloud service)
5.
Go to the Azure Management Portal -> Go to the Cloud Service in question -> Certificates Tab -> Upload the newly created certificate (.PFX file)
Note:
*
The certificates that you need for a remote desktop connection are different from the certificates that you use for other Azure operations. The remote access certificate must have a private key.
*
Microsoft Azure uses certificates in three ways: / Management certificates – Stored at the subscription level, these certificates are used to enable the use of the SDK tools, the Windows Azure Tools for Microsoft Visual Studio, or the Service Management REST API Reference. These certificates are independent of any cloud service or deployment. / Service certificates – Stored at the cloud service level, these certificates are used by your deployed services. / SSH Keys – Stored on the Linux virtual machine, SSH keys are used to authenticate remote connections to the virtual machine.
Reference: How to use Custom Certificate for RDP to Windows Azure Roles
http://blogs.msdn.com/b/cie/archive/2014/02/22/how-to-use-custom-certificate-for-rdp-to-windows-azure-roles.aspx