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What is Microsoft AZ-400 Exam
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NEW QUESTION # 248
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:
Yes " Dependson are defined"
Yes "Mode is Apply and Monitor"
No "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 # 249
You need to implement the code flow strategy for Project2 in Azure DevOps.
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:
NEW QUESTION # 250
You need to deploy Internet Information Services (IIS) to an Azure virtual machine that runs Windows Server
2019.
How should you complete the Desired State Configuration (DSQ configuration script? To answer, drag the appropriate values to the correct locations. 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.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
Box 1: Configuration
The following example shows a simple example of a configuration.
configuration IISInstall
{
node "localhost"
{
WindowsFeature IIS
{
Ensure = "Present"
Name = "Web-Server"
}
}
}
Box 2: WindowsFeature
Reference:
https://docs.microsoft.com/en-us/azure/virtual-machines/extensions/dsc-overview
NEW QUESTION # 251
You have a private project in Azure DevOps and two users named User1 and User2.
You need to add User1 and User2 to groups to meet the following requirements:
User1 must be able to create a code wiki.
User2 must be able to edit wiki pages.
The solution must use the principle of least privilege.
To which group should you add each user? To answer, drag the appropriate groups to the correct users. Each group 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/project/wiki/wiki-create-repo
NEW QUESTION # 252
Your company has an Azure subscription named Subscription1. Subscription1 is associated to an Azure Active Directory tenant named contoso.com.
You need to provision an Azure Kubernetes Services (AKS) cluster in Subscription1 and set the permissions for the cluster by using RBAC roles that reference the identities in contoso.com.
Which three objects should you create in sequence? To answer, move the appropriate objects from the list of objects to the answer area and arrange them in the correct order.
Answer:
Explanation:
Explanation
Step 1: Create an AKS cluster
Step 2: a system-assigned managed identity
To create an RBAC binding, you first need to get the Azure AD Object ID.
* Sign in to the Azure portal.
* In the search field at the top of the page, enter Azure Active Directory.
* Click Enter.
* In the Manage menu, select Users.
* In the name field, search for your account.
* In the Name column, select the link to your account.
* In the Identity section, copy the Object ID.
Step 3: a RBAC binding
Reference:
https://docs.microsoft.com/en-us/azure/developer/ansible/aks-configure-rbac
NEW QUESTION # 253
You have an application named App1 that has a custom domain of app.contoso.com.
You create a test in Azure Application Insights as shown in the following exhibit.
Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: every five minutes at a random location
Test frequency: Sets how often the test is run from each test location. With a default frequency of five minutes and five test locations, your site is tested on average every minute.
Box 2:
Parse dependent requests: Test requests images, scripts, style files, and other files that are part of the web page under test. The recorded response time includes the time taken to get these files. The test fails if any of these resources cannot be successfully downloaded within the timeout for the whole test.
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/app/monitor-web-app-availability
NEW QUESTION # 254
You use Azure Pipelines to manage build pipelines. GitHub to store source code, and Dependabot to manage dependencies.
You have an app named App1.
Dependabot detects a dependency in App1 that requires an update.
What should you do first to apply the update?
- A. Perform a commit.
- B. Create a branch.
- C. Approve the pull request
- D. Create a pull request.
Answer: C
Explanation:
Explanation
DependaBot is a useful tool to regularly check for dependency updates. By helping to keep your project up to date, DependaBot can reduce technical debt and immediately apply security vulnerabilities when patches are released. How does DependaBot work?
* DependaBot regularly checks dependencies for updates
* If an update is found, DependaBot creates a new branch with this upgrade and Pull Request for approval
* You review the new Pull Request, ensure the tests passed, review the code, and decide if you can merge the change Reference:
https://samlearnsazure.blog/2019/12/20/github-using-dependabot/
NEW QUESTION # 255
You plan to implement a CI/CD strategy for an Azure Web App named az400-11566895-main.
You need to configure a staging environment for az400-11566895-main.
To complete this task, sign in to the Microsoft Azure portal.
Answer:
Explanation:
See solution below.
Explanation
Add a slot
1. In the Azure portal, search for and select App Services and select your app az400-11566895-main.
2. In the left pane, select Deployment slots > Add Slot.
3. In the Add a slot dialog box, give the slot a name, and select whether to clone an app configuration from another deployment slot. Select Add to continue.
4. After the slot is added, select Close to close the dialog box. The new slot is now shown on the Deployment slots page.
Reference:
https://docs.microsoft.com/en-us/azure/app-service/deploy-staging-slots
NEW QUESTION # 256
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.
Answer:
Explanation:
NEW QUESTION # 257
You have a private project in Azure DevOps and two users named User1 and User2.
You need to add User1 and User2 to groups to meet the following requirements:
User1 must be able to create a code wiki.
User2 must be able to edit wiki pages.
The solution must use the principle of least privilege.
To which group should you add each user? To answer, drag the appropriate groups to the correct users. Each group 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/project/wiki/wiki-create-repo
NEW QUESTION # 258
You have an Azure Kubernetes Service (AKS) pod.
You need to configure a probe to perform the following actions:
Confirm that the pod is responding to service requests.
Check the status of the pod four times a minute.
Initiate a shutdown if the pod is unresponsive.
How should you complete the YAML configuration file? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/container-instances/container-instances-readiness-probe
NEW QUESTION # 259
You are configuring Azure Pipelines for three projects in Azure DevOps as shown in the following table.
Which version control system should you recommend 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
Project1:Git in Azure Repos
Project2: Github Enterprise
GitHub Enterprise is the on-premises version of GitHub.com. GitHub Enterprise includes the same great set of features as GitHub.com but packaged for running on your organization's local network. All repository data is stored on machines that you control, and access is integrated with your organization's authentication system (LDAP, SAML, or CAS).
Project3: Bitbucket cloud
One downside, however, is that Bitubucket does not include support for SVN but this can be easily amended migrating the SVN repos to Git with tools such as SVN Mirror for Bitbucket .
Note: SVN is a centralized version control system.
NEW QUESTION # 260
You are developing an application. The application source has multiple branches.
You make several changes to a branch used for experimentation.
You need to update the main branch to capture the changes made to the experimentation branch and override the history of the Git repository.
Which Git option should you use?
- A. Merge
- B. Rebase
- C. Push
- D. Fetch
Answer: A
Explanation:
Create pull requests to review and merge code in a Git project. Pull requests let your team review code and give feedback on changes before merging it into the master branch.
Incorrect Answers:
A: Use rebase to address the problem of updating your branch with the latest changes from the main branch.
Rebase takes the changes made in the commits in your current branch and replays them on the history of another branch. The commit history of your current branch will be rewritten so that it starts from the most recent commit in the target branch of the rebase. Rebasing your changes in your feature branch off the latest changes in the main branch lets you test your changes on the most recent version in the main branch while keeping a clean Git history.
D: Share changes made in commits and branches using the push command. Push your branches to the remote repository. Git adds your commits to an existing branch on the remote or creates a new branch with the same commits as your local branch.
Reference:
https://docs.microsoft.com/en-us/azure/devops/repos/git/pull-requests
NEW QUESTION # 261
Your company uses Azure DevOps for Git source control.
You have a project in Azure DevOps named Contoso App that contains the following repositories:
* https://dev.azure.com/contoso/contoso-app/core-api
* https://dev.azure.com/contoso/contoso-app/core-spa
* https://dev.azure.com/contoso/contoso-app/core-db
You need to ensure that developers receive Slack notifications when there are pull requests created for Contoso App.
What should you run in Slack? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
Box 1: subscribe
To start monitoring all Git repositories in a project, use the following slash command inside a channel:
/azrepos subscribe [project url]
Box 2: https://dev.azure.com/contoso/contoso-app
You can also monitor a specific repository using the following command:
/azrepos subscribe [repository url]
The repository URL can be to any page within your repository that has your repository name.
For example, for Git repositories, use:
/azrepos subscribe https://dev.azure.com/myorg/myproject/_git/myrepository Reference:
https://docs.microsoft.com/en-us/azure/devops/repos/integrations/repos-slack
NEW QUESTION # 262
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.
You need to recommend an integration strategy for the build process of a Java application. The solution must meet the following requirements:
* The builds must access an on-premises dependency management system.
* The build outputs must be stored as Server artifacts in Azure DevOps.
* The source code must be stored in a Git repository in Azure DevOps.
Solution: Install and configure a self-hosted build agent on an on-premises machine. Configure the build pipeline to use the Default agent pool. Include the Java Tool Installer task in the build pipeline.
Does this meet the goal?
- A. No
- B. Yes
Answer: A
Explanation:
Explanation
Explanation:
Instead use Octopus Tentacle.
References:
https://explore.emtecinc.com/blog/octopus-for-automated-deployment-in-devops-models
NEW QUESTION # 263
You have an Azure DevOps organization named Contoso.
You have 10 Azure virtual machines that run Windows Server 2019. The virtual machines host an application that you build and deploy by using Azure Pipelines. Each virtual machine has the Web Server (IIS) role installed and configured.
You need to ensure that the web server configurations pin the virtual machines is maintained automatically. The solution must provide centralized management of the configuration settings and minimize management overhead.
Which four 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:
1 - Create an Azure Automation account.
2 - Install the custom Desired State Configuration (DSC) extension on the virtual machines.
3 - Onboard the virtual machines to the Azure Automation accoun.
4 - Complete the Desired State Configuration (DSC) configuration.
Reference:
https://docs.microsoft.com/en-us/azure/automation/automation-dsc-onboarding
NEW QUESTION # 264
You use Azure DevOps to manage the build and deployment of an app named App1.
You have a release pipeline that deploys a virtual machine named VM1.
You plan to monitor the release pipeline by using Azure Monitor
You need to create an alert to monitor the performance of VM1. The alert must be triggered when the average CPU usage exceeds 70 percent for five minutes. The alert must calculate the average once every minute.
How should you configure the alert rule? To answer, select the appropriate options in the answer area.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/alerts-metric-overview
NEW QUESTION # 265
You are monitoring the health and performance of an Azure web app by using Azure Application Insights.
You need to ensure that an alert is sent when the web app has a sudden rise in performance issues and failures.
What should you use?
- A. Application Insights Profiler
- B. Smart Detection
- C. usage analysis
- D. custom events
- E. Continuous export
Answer: B
Explanation:
Smart Detection automatically warns you of potential performance problems and failure anomalies in your web application. It performs proactive analysis of the telemetry that your app sends to Application Insights. If there is a sudden rise in failure rates, or abnormal patterns in client or server performance, you get an alert.
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/app/proactive-diagnostics
NEW QUESTION # 266
You mc configuring Azure DevOps build pipelines.
You plan to use hosted build agents.
Which build agent pool should you use to compile each application type? To answer, drag the appropriate built agent pools to the correct application types. Each butt agent pool 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: Hosted macOS
Hosted macOS pool (Azure Pipelines only): Enables you to build and release on macOS without having to configure a self-hosted macOS agent. This option affects where your data is stored.
Box 2: Hosted
Hosted pool (Azure Pipelines only): The Hosted pool is the built-in pool that is a collection of Microsoft-hosted agents.
NEW QUESTION # 267
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 m 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
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 References: https://docs.microsoft.com/en-us/azure/devops/organizations/security/access-levels?view=vsts
NEW QUESTION # 268
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:
Explanation
Branch lifetime: Short-lived
Branch type: Feature
Feature branches are used when developing a new feature or enhancement which has the potential of a development lifespan longer than a single deployment. When starting development, the deployment in which this feature will be released may not be known. No matter when the feature branch will be finished, it will always be merged back into the master branch.
References:
https://gist.github.com/digitaljhelms/4287848
NEW QUESTION # 269
You have an application named App1 that has a custom domain of app.contoso.com.
You create a test in Azure Application Insights as shown in the following exhibit.
Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: every five minutes at a random location
Test frequency: Sets how often the test is run from each test location. With a default frequency of five minutes and five test locations, your site is tested on average every minute.
Box 2:
Parse dependent requests: Test requests images, scripts, style files, and other files that are part of the web page under test. The recorded response time includes the time taken to get these files. The test fails if any of these resources cannot be successfully downloaded within the timeout for the whole test.
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/app/monitor-web-app-availability
NEW QUESTION # 270
You have an Azure DevOps organization named Contoso.
You have 10 Azure virtual machines that run Windows Server 2019. The virtual machines host an application that you build and deploy by using Azure Pipelines. Each virtual machine has the Web Server (IIS) role installed and configured.
You need to ensure that the web server configurations pin the virtual machines is maintained automatically.
The solution must provide centralized management of the configuration settings and minimize management overhead.
Which four 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:
Step1: Create an Azure Automation account.
An Azure Automation account is required.
Step 2: Install the custom Desired State Configuration (DSC) extension on the virtual machines Under the hood, and without an administrator having to remote into a VM, the Azure VM Desired State Configuration extension registers the VM with Azure Automation State Configuration.
Step 3: Onboard the virtual machines to the Azure Automation account.
Step 4: Complete the Desired State Configuration (DSC) configuration.
Create a DSC configuration.
Reference:
https://docs.microsoft.com/en-us/azure/automation/automation-dsc-onboarding
NEW QUESTION # 271
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.
Answer:
Explanation:
Explanation
Scenario: By default, all releases must remain available for 30 days, except for production releases, which must be kept for 60 days.
Box 1: Set the default retention policy to 30 days
The Global default retention policy sets the default retention values for all the build pipelines. Authors of build pipelines can override these values.
Box 2: Set the stage retention policy to 60 days
You may want to retain more releases that have been deployed to specific stages.
References: https://docs.microsoft.com/en-us/azure/devops/pipelines/policies/retention
Topic 1, 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.
NEW QUESTION # 272
......
Microsoft AZ-400 certification exam is suitable for professionals who have experience working with Azure DevOps and other related tools. AZ-400 exam covers a range of topics, including designing and implementing continuous integration and deployment, managing source control, implementing infrastructure as code, configuring and managing infrastructure, monitoring and logging, and implementing security and compliance. Candidates will also be expected to demonstrate their ability to work with various Azure tools and services, including Azure Resource Manager, Azure Kubernetes Service, and Azure DevOps.
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