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Q61. - (Topic 4)
You are developing an ASP.NET MVC application that provides instant messaging capabilities to customers.
You have the following requirements:
Messages must be able to be sent and received simultaneously.
Latency and unnecessary header data must be eliminated.
The application must comply with HTML5 standards.
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
Q62. - (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.es?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Q63. HOTSPOT - (Topic 4)
You are developing an ASP.NET MVC web application that enables users to open Microsoft Excel files.
The current implementation of the ExcelResult class is as follows.
You need to enable users to open Excel files.
How should you implement the ExecuteResult method? (To answer, select the appropriate options in the answer area.)
Answer:
Q64. - (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
Q65. - (Topic 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:
The cache must be able to store out-of-process ASP.NET session state.
The cache must be able to store a variety of data types.
The cache must offer a large amount of space for cached content.
You must be able to share output cache content across web server instances.
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
Reference: How to Use Azure Redis Cache
https://azure.microsoft.com/sv-se/documentation/articles/cache-dotnet-how-to-use-azure-redis-cache/
Q66. - (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?
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 Attach to Process. Select the IIS process.
C. From the Debug menu in Visual Studio 2012, select Exceptions. Disable the User-unhandled check box for Common Language Runtime Exceptions.
D. From the TOOLS menu in Visual Studio 2012, click Customize. C!ic< tie Commands tab and select Debug.
Answer: A
Q67. - (Topic 4)
You are implementing a website redesign of an existing website that provides historical weather condition maps. The current layout resembles the following graphic.
Year selection is implemented as a set of links, which causes the page to reload when the user changes the year. The year selection HTML is contained in a div with an id of "year-changer".
You need to modify the page so that the user can change the year without the page reloading. You also need to ensure that there is minimal change to the design of the page.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
Explanation: jQuery code will bind the slider control to the div.
$(document).ready(function(){
$("#slider").slider();
});
Now, when you run this page then you will see a long slider on page with no range. As we
have not specified any range.slider control comes with various options/properties which can be set. Here are few of them.
1.
min : Minimum value allowed for the slider.
2.
max : Maximum allowed value for the slider.
3.
step : How much you want to increment when you slide. Default is 1.
4.
value : set default value of the slider.
Reference: Implement jQuery UI slider with ASP.NET
http://www.jquerybyexample.net/2010/09/implement-jquery-ui-slider-with-aspnet.html
Q68. - (Topic 4)
You are designing an HTML5 website.
You need to design the interface such that the content is viewable in all types of browsers, including screen readers.
What should you do? (Each correct answer presents a complete solution. Choose all that apply.)
A. Ensure that content elements have valid and descriptive names.
B. Use Resource Description Framework (RDF) to describe content elements.
C. Convert HTML forms to XForms.
D. Use HTML5 semantic markup elements.
E. Annotate content elements with Accessible Rich Internet Application (ARIA) attributes.
Answer: D,E
Q69. - (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.)
A. Option A
B. Option B
C. Option C
D. 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
Q70. - (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
