Microsoft AZ-400 Microsoft Azure DevOps Solutions (beta) Online Training

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1. Topic 1, Case Study: 1Overview



Existing Environment

Litware, Inc. e an independent software vendor (ISV) Litware has a main office and five branch offices.



Application Architecture

The company’ s primary application is a single monolithic retirement fund management system based on ASP.NE T web forms that use logic written in V8.NET. Some new sections of the application are written in C#.

Variations of the application are created for individual customers. Currently, there are more than 80 have code branches in the application’s code base.

The application was developed by using Microsoft Visual Studio. Source code is stored in Team Foundation Server (TFS) in the main office. The branch offices access of the source code by using TFS proxy servers.



Architectural Issues

Litware focuses on writing new code for customers. No resources are provided to refactor or remove existing code. Changes to the code base take a long time, AS dependencies are not obvious to individual developers.

Merge operations of the code often take months and involve many developers. Code merging frequently introduces bugs that are difficult to locate and resolve.

Customers report that ownership costs of the retirement fund management system increase continually. The need to merge unrelated code makes even minor code changes expensive.



Requirements

Planned Changes

Litware plans to develop a new suite of applications for investment planning. The investment planning Applications will require only minor integration with the easting retirement fund management system.

The investment planning applications suite will include one multi-tier web application and two iOS mobile applications. One mobile application will be used by employees; the other will be used by customers.

Litware plans to move to a more agile development methodology. Shared code will be extracted into a series of package.

Litware has started an internal cloud transformation process and plans to use cloud based services whenever suitable.

Litware wants to become proactive m detecting failures, rather than always waning for customer bug reports.



Technical Requirements

The company's investment planning applications suite must meet the following technical requirements:

- New incoming connections through the firewall must be minimized.

- Members of a group named Developers must be able to install packages.

- The principle of least privilege must be used for all permission assignments

- A branching strategy that supports developing new functionality in isolation must be used.

- Members of a group named Team leaders must be able to create new packages and edit the permissions of package feeds

- Visual Studio App Center must be used to centralize the reporting of mobile application crashes and device types in use.

- By default, all App Center must be used to centralize the reporting of mobile application crashes and device types in use.

- Code quality and release quality are critical. During release, deployments must not proceed between stages if any active bugs are logged against the release.

- The mobile applications must be able to call the share pricing service of the existing retirement fund management system. Until the system is upgraded, the service will only support basic authentication over HUPS.

- The required operating system configuration tor the test servers changes weekly. Azure Automation State Configuration must be used to ensure that the operating system on each test servers configured the same way when the servers are created and checked periodically.



Current Technical

The test servers are configured correctly when first deployed, but they experience configuration drift over time. Azure Automation State Configuration fails to correct the configurations.

Azure Automation State Configuration nodes are registered by using the following command.







HOTSPOT

How should you complete the code to initialize App Center in the mobile application? To answer,

select the appropriate options in the answer area. NOTE: Each correct selection a worth one point.



2. HOTSPOT

How should you confrere the release retention policy for the investment planning depletions suite? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.



3. HOTSPOT

You need to configure a cloud service to store the secrets required by the mobile applications to call the share.

What should you include in the solution? To answer, select the appropriate options m the answer ate», NOTE: Each correct selection is worth one point.



4. To resolve the current technical issue, what should you do to the Register-AzureRmAutomationDscNode command?

5. What should you use to implement the code quality restriction on the release pipeline for the investment planning applications suite?

6. HOTSPOT

How should you configure the release retention policy for the investment planning applications suite? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.



7. Topic 2, Case Study: 2Overview



Existing Environment

This is a case study Case studies are not limed separately. You can use as much exam time at you would like to complete each case.

However there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.

To answer the questions included in a case study, you will need to reference information that is provided m the case study Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study.

At the end of the case study, a review screen will appear. This screen allows you to review your answers and to mate changes before you move to the next section of the exam, After you begin a new section, you cannot return to this section.



To start the case study

To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment and problem statements. If the case study has an All Information tab, note that the information displayed on identical to the Information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.



Requirements

Contoso plans to improve its IT development and operations processes implementing Azue DevOps principles. Contoso has an Azure subscription and creates an Azure DevOPs organization.

The Azure DevOps organization includes:

-The Docker extension

- A deployment pool named Pool7 that contains 10 Azure virtual machines that run Windows

Server 2016. The Azure subscription contains an Azure Automation account.



Planned Changes

Contoso plans to create projects in Azure DevOps as shown in the following table.







Technical Requirements

- Contoso identities the following technical requirements:

- Implement build agents rot Project 1.

- Whenever possible, use Azure resources

- Avoid using deprecated technologies

- Implement a code flow strategy for Project2 that will:

- Enable Team 2 to submit pull requests for Project2.

- Enable Team 2 to work independently on changes to a copy of Project?

- Ensure that any intermediary changes performed by Tram2 on a copy of Project2 will be subject to the same restrictions as the ones defied in the build policy of Project2.

- Whenever possible. Implement automation and minimize administrative effort.

- Implement Protect3, Project5, Project6, and Project7 based on the planned changes.

- Implement Project4 and configure the project to push Docker images to Azure Container Reentry.



DRAG DROP

You need to configure Azure Automation for the computer in Group7.

Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.



8. You add the virtual machines as managed nodes in Azure Automation State Configuration.

You need to configure the computer in Group7.

What should you do?

9. In Azure DevOps, you create Project3. You need to meet the requirements of the project.

What should you do first?

10. HOTSPOT

How should you configure the filters for the Project5 trigger? To answer, select the appropriate option in the answer area.

NOTE: Each correct selection is worth one point.




 

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