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Microsoft AZ-400 certification exam is a comprehensive assessment of an individual’s knowledge and skills in DevOps practices. AZ-400 exam covers a wide range of topics, including DevOps adoption, optimization, and transformation; CI/CD pipeline automation; dependency management and version control; application infrastructure management; and monitoring and feedback loops. AZ-400 exam is intended to validate an individual’s expertise in designing and implementing DevOps solutions using Microsoft technologies, including Azure DevOps, GitHub, and Azure.
NEW QUESTION # 147
You have a brand policy in a project in Azure DevOps. The policy requires that code always builds successfully.
You need to ensure that a specific user can always merge change to the master branch, even if the code fails to compile. The solution must use the principle of least privilege.
What should you do?
- A. From the Security settings of the branch, modify the access control for the user.
- B. Add the user to the Build Administrators group,
- C. Add the user to the Project Administrators group
- D. From the Security setting of the repository, modify the access control tor the user.
Answer: A
Explanation:
In some cases, you need to bypass policy requirements so you can push changes to the branch directly or complete a pull request even if branch policies are not satisfied. For these situations, grant the desired permission from the previous list to a user or group. You can scope this permission to an entire project, a repo, or a single branch. Manage this permission along the with other Git permissions.
NEW QUESTION # 148
You have a virtual machine that runs Windows Server 2019 and is managed by using Desired State Configuration (DSC).
You have the following DSC configuration.
You have the following Local Configuration Manager (LCM) configuration.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
No " Dependson are defined"
No "Mode is Apply and Monitor"
Yes "Configuration Mode FreqMin : 60 "
------
Configuration Mode Freq Min:How often, in minutes, the current configuration is checked and applied. This property is ignored if the Configuration Mode property is set to Apply Only.
https://docs.microsoft.com/en-us/powershell/dsc/managing-nodes/metaconfig?view=dsc-1.1
https://docs.microsoft.com/en-us/powershell/dsc/configurations/resource-depends-on?view=dsc-1.1
NEW QUESTION # 149
You are developing a multi-tier application. The application will use Azure App Service web apps as the front end and an Azure SQL database as the back end. The application will use Azure functions to write some data to Azure Storage.
You need to send the Azure DevOps team an email message when the front end fails to return a status code of
200.
Which feature should you use?
- A. availability tests in Azure Application Insights
- B. Service Map in Azure Log Analytics
- C. Profiler in Azure Application Insights
- D. Application Map in Azure Application Insights
Answer: A
Explanation:
Explanation
https://docs.microsoft.com/en-us/azure/azure-monitor/app/monitor-web-app-availability
NEW QUESTION # 150
You are defining release strategies for two applications as shown in the following table.
Which release strategy should you use for each application? To answer, drag the appropriate release strategies to the correct applications. Each release strategy 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.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
App1: Canary deployment
With canary deployment, you deploy a new application code in a small part of the production infrastructure.
Once the application is signed off for release, only a few users are routed to it. This minimizes any impact.
With no errors reported, the new version can gradually roll out to the rest of the infrastructure.
App2: Rolling deployment:
In a rolling deployment, an application's new version gradually replaces the old one. The actual deployment happens over a period of time. During that time, new and old versions will coexist without affecting functionality or user experience. This process makes it easier to roll back any new component incompatible with the old components.
NEW QUESTION # 151
You are implementing a package management solution for a Node.js application by using Azure Artifacts.
You need to configure the development environment to connect to the package repository. The solution must minimize the likelihood that credentials will be leaked.
Which file should you use to configure each connection? To answer, drag the appropriate files to the correct connections. Each file 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 NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
All Azure Artifacts feeds require authentication, so you'll need to store credentials for the feed before you can install or publish packages. npm uses .npmrc configuration files to store feed URLs and credentials. Azure DevOps Services recommends using two .npmrc files.
Feed registry information: The .npmrc file in the project
One .npmrc should live at the root of your git repo adjacent to your project's package.json. It should contain a
"registry" line for your feed and it should not contain credentials since it will be checked into git.
Credentials: The .npmrc file in the user's home folder
On your development machine, you will also have a .npmrc in $home for Linux or Mac systems or
$env.HOME for win systems. This .npmrc should contain credentials for all of the registries that you need to connect to. The NPM client will look at your project's .npmrc, discover the registry, and fetch matching credentials from $home/.npmrc or $env.HOME/.npmrc.
References:
https://docs.microsoft.com/en-us/azure/devops/artifacts/npm/npmrc?view=azure-devops&tabs=windows
NEW QUESTION # 152
You need to ensure that Microsoft Visual Studio 2017 can remotely attach to an Azure Function named fa-11566895.
To complete this task, sign in to the Microsoft Azure portal.
Answer:
Explanation:
Enable Remote Debugging
Before we start a debugging session to our Azure Function app we need to enable the functionality.
Navigate in the Azure portal to your function app fa-11566895
Go to the "Application settings"
Under "Debugging" set Remote Debugging to On and set Remote Visual Studio version to 2017.
Reference:
https://www.locktar.nl/uncategorized/azure-remote-debugging-manually-in-visual-studio-2017/
NEW QUESTION # 153
Your company has four projects. The version control requirements for each project are shown in the following table.
You plan to use Azure Repos for all the projects.
Which version control system should you use for each project? To answer, drag the appropriate version control systems to the correct projects. Each version control system 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.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: Team Foundation Version Control
TFVC lets you apply granular permissions and restrict access down to a file level.
Box 2: Git
Git is the default version control provider for new projects. You should use Git for version control in your projects unless you have a specific need for centralized version control features in TFVC.
Box 3: Subversion
Note: Xcode is an integrated development environment (IDE) for macOS containing a suite of software development tools developed by Apple Box 4: Git Note: Perforce: Due to its multitenant nature, many groups can work on versioned files. The server tracks changes in a central database of MD5 hashes of file content, along with descriptive meta data and separately retains a master repository of file versions that can be verified through the hashes.
References:
https://searchitoperations.techtarget.com/definition/Perforce-Software
https://docs.microsoft.com/en-us/azure/devops/repos/git/share-your-code-in-git-xcode
https://docs.microsoft.com/en-us/azure/devops/repos/tfvc/overview
NEW QUESTION # 154
You have a protect in Azure DevOps.
You need to associate an automated test to a test case.
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.
Answer:
Explanation:
Explanation
The process to associate an automated test with a test case is:
* Create a test project containing your automated test. What types of tests are supported?
* Check your test project into an Azure DevOps or Team Foundation Server (TFS) repository.
* Create a build pipeline for your project, ensuring that it contains the automated test. What are the differences if I am still using a XAML build?
* Use Visual Studio Enterprise or Professional 2017 or a later version to associate the automated test with a test case as shown below. The test case must have been added to a test plan that uses the build you just defined.
Reference:
https://docs.microsoft.com/en-us/azure/devops/test/associate-automated-test-with-test-case
NEW QUESTION # 155
You use GitHub for source control of .NET applications.
You need to deploy a documentation solution that meets the following requirements:
Documents will be written in Markdown as developers make code changes
Changes to the documents will trigger the recompilation of a static website.
Users will access the documents from the static websites
Documents will be stored in a GitHub repository
Which two tools can you use to compile the website? Each correct answer presents a complete solution.
- A. Doc FX
- B. WordPress
- C. Jeky11
- D. Medium
- E. caret
Answer: A,C
Explanation:
Explanation
A:Jekyll is a static site generator that can be used to generate a static website from Markdown files stored in a GitHub repository. Jekyll supports the use of Markdown for writing documentation, and it can automatically recompile the website whenever changes are made to the documentation.
E:Doc FX is another tool that can be used to compile a static website from Markdown files stored in a GitHub repository. It is an open-source tool that can be used to generate API documentation, reference documentation, and other types of documentation from source code and other files. Doc FX supports the use of Markdown for writing documentation and it can automatically recompile the website whenever changes are made to the documentation.
NEW QUESTION # 156
You need to configure access to Azure DevOps Agent pools to meet the forwarding requirements:
* Use a project agent pool when authoring build release pipelines.
* View the agent pool and agents of the organization.
* Use the principle of least privilege.
Which role memberships are required for the Azure 0e%Oos organization and the project? To answer, drag the appropriate role membership to the correct targets. Each role membership may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to content NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 157
Your company uses Git as a source code control system for a complex app named App1.
You plan to add a new functionality to App1.
You need to design a branching model for the new functionality.
Which branch lifetime and branch time should you use in the branching model? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://gist.github.com/digitaljhelms/4287848
NEW QUESTION # 158
You need to implement Project6.
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 m the correct order.
Answer:
Explanation:
Explanation
Scenario: Implement Project3, Project5, Project6, and Project7 based on the planned changes
Step 1: Open the release pipeline editor.
In the Releases tab of Azure Pipelines, select your release pipeline and choose Edit to open the pipeline editor.
Step 2: Enable Gates.
Choose the pre-deployment conditions icon for the Production stage to open the conditions panel. Enable gates by using the switch control in the Gates section.
Step 3: Add Query Work items.
Choose + Add and select the Query Work Items gate.
Configure the gate by selecting an existing work item query.
Note: A case for release gate is:
Incident and issues management. Ensure the required status for work items, incidents, and issues. For example, ensure deployment occurs only if no priority zero bugs exist, and validation that there are no active incidents takes place after deployment.
References:
https://docs.microsoft.com/en-us/azure/devops/pipelines/release/deploy-using-approvals?view=azure-devops#co
NEW QUESTION # 159
You have an Azure DevOps release pipeline as shown in the following exhibit.
You need to complete the pipeline to configure OWASP ZAP for security testing.
Which five Azure CLI tasks should you add in sequence? To answer, move the tasks from the list of tasks to the answer area and arrange them in the correct order.
Answer:
Explanation:
Defining the Release Pipeline
Once the application portion of the Release pipeline has been configured, the security scan portion can be defined. In our example, this consists of 8 tasks, primarily using the Azure CLI task to create and use the ACI instance (and supporting structures).
Otherwise specified, all the Azure CLI tasks are Inline tasks, using the default configuration options.
Reference:
https://devblogs.microsoft.com/premier-developer/azure-devops-pipelines-leveraging-owasp-zap-in-the-release-p
NEW QUESTION # 160
You are developing an open source solution that uses a GitHub repository.
You create a new public project in Azure DevOps.
You plan to use Azure Pipelines for continuous build. The solution will use the GitHub Checks API.
Which authentication type should you use?
- A. SAML
- B. OAuth
- C. GitHub App
- D. a personal access token
Answer: C
Explanation:
https://docs.microsoft.com/en-us/azure/devops/pipelines/repos/github?view=azure-devops&tabs=yaml
https://developer.github.com/v3/checks/
NEW QUESTION # 161
You are implementing a package management solution for a Node.js application by using Azure Artifacts.
You need to configure the development environment to connect to the package repository. The solution must minimize the likelihood that credentials will be leaked.
Which file should you use to configure each connection? To answer, drag the appropriate files to the correct connections. Each file 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 NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/devops/artifacts/npm/npmrc?view=azure-devops&tabs=windows
NEW QUESTION # 162
You are configuring the Azure DevOps dashboard. The solution must meet the technical requirements.
Which widget should you use for each metric? To answer, drag the appropriate widgets to the correct metrics. Each widget 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.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/devops/report/dashboards/widget-catalog?view=azure-devops
NEW QUESTION # 163
You need to recommend project metrics for dashboards in Azure DevOps.
Which chart widgets should you recommend for each metric? To answer, drag the appropriate chart widgets to the correct metrics. Each chart widget 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.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
References:
https://docs.microsoft.com/en-us/azure/devops/report/dashboards/velocity-guidance?view=vsts
https://docs.microsoft.com/en-us/azure/devops/report/dashboards/cycle-time-and-lead-time?view=vsts
https://docs.microsoft.com/en-us/azure/devops/report/dashboards/configure-burndown-burnup-widgets?view=vsts
NEW QUESTION # 164
You have an Azure DevOps project that contains a build pipeline. The build pipeline uses approximately 50 open source libraries.
You need to ensure that the project can be scanned for known security vulnerabilities in the open source libraries.
What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
References:
https://www.azuredevopslabs.com/labs/vstsextend/whitesource/
NEW QUESTION # 165
You have several apps that use an Azure SQL Database named db1.
You need to ensure that queries to db1 are tuned by Azure over time. The solution must only apply to db1.
To complete this task, sign in to the Microsoft Azure portal.
- A. See solution below
Answer: A
Explanation:
2. Select the automatic tuning options you want to enable and select Apply.
Note: Individual automatic tuning settings can be separately configured for each database. You can manually configure an individual automatic tuning option, or specify that an option inherits its settings from the server.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/automatic-tuning-enable
NEW QUESTION # 166
You need to replace the existing DevOps tools to support the planned changes.
What should you use? To answer, drag the appropriate tools to the correct targets. Each tool 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.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
A picture containing text Description automatically generated
Box 1: Azure Boards
Azure Boards can be used to track work with Kanban boards, backlogs, team dashboards, and custom reporting You can create multiple Trello boards, which are spaces to store tasks (for different work contexts, or even private boards) You can easily share Trello boards with another person.
Box 2: Azure Pipelines
You can use Bamboo to implement CI/CD (Continuous Integration and Continuous Delivery) for a simple Azure function app using Atlassian Bamboo. Bamboo does continuous delivery of the project from source code to deployment. It has stages including Build, Test and Deploy.
Software teams in every industry are upgrading their continuous delivery pipeline with Bamboo. Easy build import from popular open source tools, user and group import from JIRA, seamless integration with Bitbucket, and native support for Git, Hg, and SVN means you'll be building and deploying like a champ.
Box 3: GitHub repositories
Bitbucket can be used as the Git repository, but you can use any other Git repository (Like TFS Git) for source control of the code.
Reference:
https://www.trustradius.com/compare-products/azure-devops-services-vs-trello
https://marketplace.visualstudio.com/items?itemName=ms-vsts.vss-services-bamboo
https://www.c-sharpcorner.com/article/cicd-implementation-for-an-azure-function-app-using-atlassian-bamboo-s
NEW QUESTION # 167
You need to deploy Azure Kubernetes Service (AKS) to host an application. The solution must meet the following requirements:
Containers must only be published internally.
AKS clusters must be able to create and manage containers in Azure.
What should you use for each requirement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://thorsten-hans.com/how-to-use-private-azure-container-registry-with-kubernetes
https://docs.microsoft.com/en-us/azure/aks/cluster-container-registry-integration
NEW QUESTION # 168
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?
- A. Modify the RefreshMode property of the Local Configuration Manager (LCM).
- B. Modify the ConfigurationMode property of the Local Configuration Manager (LCM).
- C. Run the Register-AzureRmAutomationDscNode Azure Powershell cmdlet.
- D. Install PowerShell Core.
Answer: C
Explanation:
The Register-AzureRmAutomationDscNode cmdlet registers an Azure virtual machine as an APS Desired State Configuration (DSC) node in an Azure Automation account.
Scenario: The Azure DevOps organization includes:
The Docker extension
A deployment pool named Pool7 that contains 10 Azure virtual machines that run Windows Server 2016
References:
https://docs.microsoft.com/en-us/powershell/module/azurerm.automation/register-azurermautomationdscnode
NEW QUESTION # 169
Your company uses GitHub for source control. GitHub repositories store source code and store process documentation. The process documentation is saved as Microsoft Word documents that contain simple flow charts stored as .bmp files.
You need to optimize the integration and versioning of the process documentation and the flow charts. The solution must meet the following requirements:
* Store documents as plain text.
* Minimize the number of files that must be maintained.
* Simplify the modification, merging, and reuse of flow charts.
* Simplify the modification, merging, and reuse of documents.
What should you include in the solution? To answer, select the appropriate options in the answer are a. NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://ourcodingclub.github.io/tutorials/git/
https://mermaid-js.github.io/mermaid/#/
NEW QUESTION # 170 
Your company is building a new web application.
You plan to collect feedback from pilot users on the features being delivered.
All the pilot users have a corporate computer that has Google Chrome and the Microsoft Test & Feedback extension installed. The pilot users will test the application by using Chrome.
You need to identify which access levels are required to ensure that developers can request and gather feedback from the pilot users. The solution must use the principle of least privilege.
Which access levels in Azure DevOps should you identify? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
Graphical user interface, text, application Description automatically generated
Box 1: Basic
Assign Basic to users with a TFS CAL, with a Visual Studio Professional subscription, and to users for whom you are paying for Azure Boards & Repos in an organization.
Box 2: Stakeholder
Assign Stakeholders to users with no license or subscriptions who need access to a limited set of features.
Note:
You assign users or groups of users to one of the following access levels:
Basic: provides access to most features
VS Enterprise: provides access to premium features
Stakeholders: provides partial access, can be assigned to unlimited users for free Reference:
https://docs.microsoft.com/en-us/azure/devops/organizations/security/access-levels?view=vsts
NEW QUESTION # 171
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
Your company has a project in Azure DevOps for a new web application.
You need to ensure that when code is checked in, a build runs automatically.
Solution: From the Pre-deployment conditions settings of the release pipeline, you select Batch changes while a build is in progress.
Does this meet the goal?
- A. Yes
- B. No
Answer: B
Explanation:
Use a Pull request trigger.
Note: Batch changes
Select this check box if you have a lot of team members uploading changes often and you want to reduce the number of builds you are running. If you select this option, when a build is running, the system waits until the build is completed and then queues another build of all changes that have not yet been built.
References:
https://docs.microsoft.com/en-us/azure/devops/pipelines/build/triggers
NEW QUESTION # 172
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