Microsoft Microsoft Certifications AZ-400 Questions & Answers

• Question 121:

  HOTSPOT

  You plan to use Desired State Configuration (DSC) to maintain the configuration state of virtual machines that run Windows Server.

  You need to perform the following:

  1.

  Install Internet Information Services (IIS) on the virtual machines.

  2.

  Update the default home page of the IIS web server.

  How should you configure the DSC configuration file? To answer, select the appropriate options in the answer area.

  NOTE: Each correct selection is worth one point.

  Hot Area:

  

  Correct Answer:

  

  Box 1: WindowsFeature

  Example:

  Configuration WebsiteTest {

  # Import the module that contains the resources we're using.

  Import-DscResource -ModuleName PsDesiredStateConfiguration

  # The Node statement specifies which targets this configuration will be applied to.

  Node 'localhost' {

  # The first resource block ensures that the Web-Server (IIS) feature is enabled.

  WindowsFeature WebServer {

  Ensure = "Present"

  Name = "Web-Server"

  }

  Box 2: File

  Example continued:

  # The second resource block ensures that the website content copied to the website root folder.

  File WebsiteContent {

  Ensure = 'Present'

  SourcePath = 'c:\test\index.htm'

  DestinationPath = 'c:\inetpub\wwwroot'

  }

  Reference: https://docs.microsoft.com/en-us/powershell/scripting/dsc/quickstarts/website-quickstart

• Question 122:

  HOTSPOT 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:

  1.

  Store documents as plain text.

  2.

  Minimize the number of files that must be maintained.

  3.

  Simplify the modification, merging, and reuse of flow charts.

  4.

  Simplify the modification, merging, and reuse of documents.

  Hot Area:

  

  Correct Answer:

  

  Box 1: Markdown (.md)

  Github understands several text formats, including .txt and .md. .md stands for a file written in Markdown.

  Box 2: Mermaid diagrams

  Mermaid lets you create diagrams and visualizations using text and code.

  It is a Javascript based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically.

  Reference:

  https://ourcodingclub.github.io/tutorials/git/

  https://mermaid-js.github.io/mermaid/#/

• Question 123:

  HOTSPOT

  You are designing YAML-based Azure pipelines for the apps shown in the following table.

  

  You need to configure the YAML strategy value for each app. The solution must minimize app downtime. Which value should you configure for each app? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

  Hot Area:

  

  Correct Answer:

  

• Question 124:

  HOTSPOT

  You have an Azure web app named Webapp1.

  You need to use an Azure Monitor query to create a report that details the top 10 pages of Webapp1 that failed.

  How should you complete the query? To answer, select the appropriate options in the answer area.

  NOTE: Each correct selection is worth one point.

  Hot Area:

  

  Correct Answer:

  

  Box 1: requests

  Failed requests (requests/failed):

  The count of tracked server requests that were marked as failed.

  Kusto code:

  requests

  | where success == 'False'

  Box 2: success == false

• Question 125:

  HOTSPOT

  You have an Azure subscription that contains the resources shown in the following table.

  

  You plan to create a linked service in DF1. The linked service will connect to SQL1 by using Microsoft SQL Server authentication. The password for the SQL Server login will be stored

  in KV1.

  You need to configure DF1 to retrieve the password when the data factory connects to SQL1. The solution must use the principle of least privilege.

  How should you configure DF1? To answer, select the appropriate options in the answer area.

  NOTE: Each correct selection is worth one point.

  Hot Area:

  

  Correct Answer:

  

  Box 1: Secret

  Store credential in Azure Key Vault by reference secret stored in key vault.

  To reference a credential stored in Azure Key Vault, you need to:

  Retrieve data factory managed identity

  Grant the managed identity access to your Azure Key Vault. In your key vault -> Access policies -> Add Access Policy, search this managed identity to grant Get permission in Secret permissions dropdown. It allows this designated factory to

  access secret in key vault.

  Create a linked service pointing to your Azure Key Vault.

  Create data store linked service, inside which reference the corresponding secret stored in key vault.

  Box 2: Access policy

  Reference:

  https://docs.microsoft.com/en-us/azure/data-factory/store-credentials-in-key-vault

• Question 126:

  HOTSPOT

  You are finalizing a release in GitHub.

  You need to apply the following labels to the release:

  1.

  Name

  2.

  Email

  3.

  Release v3.0

  4.

  Release date

  How should you complete the git command? To answer, select the appropriate options in the answer area.

  NOTE: Each correct selection is worth one point.

  Hot Area:

  

  Correct Answer:

  

  Box 1; tag

  Tagging. Like most VCSs, Git has the ability to tag specific points in a repository's history as being important. Typically, people use this functionality to mark release points (v1.0, v2.0 and so on).

  Box 2: -a

  Creating an annotated tag in Git is simple. The easiest way is to specify -a when you run the tag command:

  Example:

  $ git tag -a v1.4 -m "my version 1.4"

  Box 3: -m

• Question 127:

  HOTSPOT

  You have an Azure Kubernetes Service (AKS) pod.

  You need to configure a probe to perform the following actions:

  1.

  Confirm that the pod is responding to service requests.

  2.

  Check the status of the pod four times a minute.

  3.

  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.

  Hot Area:

  

  Correct Answer:

  

  Box 1: readinessProbe:

  For containerized applications that serve traffic, you might want to verify that your container is ready to handle incoming requests. Azure Container Instances supports readiness probes to include configurations so that your container can't be

  accessed under certain conditions.

  Incorrect Answers:

  livenessProbe: Containerized applications may run for extended periods of time, resulting in broken states that may need to be repaired by restarting the container. Azure Container Instances supports liveness probes so that you can

  configure your containers within your container group to restart if critical functionality is not working.

  Box 2: periodSeconds: 15

  The periodSeconds property designates the readiness command should execute every 15 seconds.

  Reference:

  https://docs.microsoft.com/en-us/azure/container-instances/container-instances-readiness-probe

• Question 128:

  HOTSPOT

  Your company uses a Git source-code repository.

  You plan to implement GitFlow as a workflow strategy. You need to identify which branch types are used for production code and preproduction code in the strategy.

  Which branch type should you identify for each code type? To answer, select the appropriate options in the answer area.

  NOTE: Each correct selection is worth one point.

  Hot Area:

  

  Correct Answer:

  

  Box 1: Master

  The Master branch contains production code. All development code is merged into master in sometime.

  Box 2: Develop

  The Develop branch contains pre-production code. When the features are finished then they are merged into develop.

  Reference:

  https://medium.com/@patrickporto/4-branching-workflows-for-git-30d0aaee7bf

• Question 129:

  HOTSPOT

  You manage the Git repository for a large enterprise application. You need to minimize the data size of the repository. How should you complete the commands? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

  Hot Area:

  

  Correct Answer:

  

• Question 130:

  HOTSPOT

  Your company uses Azure DevOps for Git source control. You have a project in Azure DevOps named Contoso App that contains the following repositories:

  1.

  https://dev.azure.com/contoso/contoso-app/core-api

  2.

  https://dev.azure.com/contoso/contoso-app/core-spa

  3.

  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.

  Hot Area:

  

  Correct Answer:

  

  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