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Microsoft az-400 Exam Test Practice questions from Youtbe

Vcequestions Exam Table of Contents:

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Exam AZ-400: Designing and Implementing Microsoft DevOps Solutions: https://docs.microsoft.com/en-us/learn/certifications/exams/az-400

Candidates for this exam should have subject matter expertise working with people, processes, and technologies to continuously deliver business value.

Responsibilities for this role include designing and implementing strategies for collaboration, code, infrastructure, source control, security, compliance, continuous integration, testing, delivery, monitoring, and feedback.

A candidate for this exam must be familiar with both Azure administration and development and must be an expert in at least one of these areas.

Skills measured

The content of this exam was updated on June 15, 2020. Please download the exam skills outline below to see what changed.

  • Develop an instrumentation strategy (5-10%)
  • Develop a Site Reliability Engineering (SRE) strategy (5-10%)
  • Develop a security and compliance plan (10-15%)
  • Manage source control (10-15%)
  • Facilitate communication and collaboration (10-15%)
  • Define and implement continuous integration (20-25%)
  • Define and implement a continuous delivery and release management strategy (10-15%)

Latest updates Microsoft az-400 exam practice questions

QUESTION 1

HOTSPOT
You are configuring a release pipeline in Azure DevOps as shown in the exhibit.

newpdfebooks az-400 q1

Use the drop-down menus to select the answer choice that answers each question based on the information presented
in the graphic.
NOTE: Each correct selection is worth one point.
Hot Area:

newpdfebooks az-400 q1-1

Correct Answer:

newpdfebooks az-400 q1-2

Box 1: 5 There are five stages: Development, QA, Pre-production, Load Test, and Production. They all have triggers.
Box 2: The Internal Review stage References: https://docs.microsoft.com/en-us/azure/devops/pipelines/release/triggers

QUESTION 2

Your company creates a web application.
You need to recommend a solution that automatically sends to Microsoft Teams a daily summary of the exceptions that
occur in the application.
Which two Azure services should you recommend? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Azure Logic Apps
B. Azure Pipelines
C. Microsoft Visual Studio App Center
D. Azure DevOps Project
E. Azure Application Insights

Correct Answer: AE

E: Exceptions in your live web app are reported by Application Insights.
Note: Periodical reports help keep a team informed on how their business-critical services are doing. Developers,
DevOps/SRE teams and their managers can be productive with automated reports reliably delivering insights without
requiring everyone to sign in the portal. Such reports can also help identify gradual increases in latencies, load, or failure
rates that may not trigger any alert rules.
A: You can programmatically query Application Insights data to generate custom reports on a schedule. The following
options can help you get started quickly: Automate reports with Microsoft Flow Automate reports with Logic Apps
References: https://docs.microsoft.com/en-us/azure/azure-monitor/app/asp-net-exceptions
https://docs.microsoft.com/en-us/azure/azure-monitor/app/automate-custom-reports

QUESTION 3

To resolve the current technical issue, what should you do to the Register-AzureRmAutomationDscNode command?
A. Change the value of the ConfigurationMode parameter.
B. Replace the Register-AzureRmAutomationDscNode cmdlet with Register-AzureRmAutomationScheduledRunbook
C. Add the AllowModuleOverwrite parameter.
D. Add the DefaultProfile parameter.

Correct Answer: A

Change the ConfigurationMode parameter from ApplyOnly to ApplyAndAutocorrect.
The Register-AzureRmAutomationDscNode cmdlet registers an Azure virtual machine as an APS Desired State
Configuration (DSC) node in an Azure Automation account.
Scenario: Current Technical Issue
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.

newpdfebooks az-400 q3

References: https://docs.microsoft.com/en-us/powershell/module/azurerm.automation/registerazurermautomationdscnode?view=azurermps-6.13.0

QUESTION 4

DRAG DROP
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.
Select and Place:

newpdfebooks az-400 q4

Step 1: Create a repository
A Git repository, or repo, is a folder that you\’ve told Git to help you track file changes in. You can have any number of
repos on your computer, each stored in their own folder.
Step 2: Create a branch
Branch policies help teams protect their important branches of development. Policies enforce your team\’s code quality
and change management standards.
Step 3: Add a build validation policy
When a build validation policy is enabled, a new build is queued when a new pull request is created or when changes
are pushed to an existing pull request targeting this branch. The build policy then evaluates the results of the build to
determine whether the pull request can be completed.
Scenario:
Implement a code flow strategy for Project2 that will:
Enable Team2 to submit pull requests for Project2.
Enable Team2 to work independently on changes to a copy of Project2.
Ensure that any intermediary changes performed by Team2 on a copy of Project2 will be subject to the same
restrictions as the ones defined in the building policy of Project2.
References: https://docs.microsoft.com/en-us/azure/devops/repos/git/manage-your-branches

QUESTION 5

DRAG DROP
You need to find and isolate shared code. The shared code will be maintained in a series of packages.
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.
Select and Place

newpdfebooks az-400 q5

Correct Answer:

newpdfebooks az-400 q5-1

Step 1: Create a dependency graph for the application
By linking work items and other objects, you can track related work, dependencies, and changes made over time. All
links are defined with a specific link type. For example, you can use Parent/Child links to link work items to support a
hierarchical tree structure. Whereas, the Commit and Branch link types support links between work items and commits
and branches, respectively.
Step 2: Group the related components.
Packages enable you to share code across your organization: you can compose a large product, develop multiple
products based on a common shared framework, or create and share reusable components and libraries.
Step 3: Assign ownership to each component graph
References:
https://docs.microsoft.com/en-us/azure/devops/boards/queries/link-work-items-support-traceability?view=azuredevopsandtabs=new-web-form
https://docs.microsoft.com/en-us/visualstudio/releasenotes/tfs2017-relnotes

QUESTION 6

Your company uses cloud-hosted Jenkins for builds.
You need to ensure that Jenkins can retrieve source code from Azure Repos.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Create a webhook in Jenkins.
B. Add the Team Foundation Server (TFS) plug-in to Jenkins.
C. Add a domain to your Jenkins account.

D. Create a personal access token in your Azure DevOps account.
E. Create a service hook in Azure DevOps.

Correct Answer: BDE

B: Jenkins\’ built-in Git Plugin or Team Foundation Server Plugin can poll a Team Services repository every few
minutes and queue a job when changes are detected.
D: Use Azure DevOps/ Visual Studio Team Services to create an access token, and use th
E: For those who need tighter integration, Team Services provides two additional ways to achieve it: 1) the Jenkins
Service Hook, and 2) Jenkins build and release tasks.)
References:
https://blogs.msdn.microsoft.com/devops/2017/04/25/vsts-visual-studio-team-services-integration-with-jenkins/
http://www.aisoftwarellc.com/blog/post/how-to-setup-automated-builds-using-jenkins-and-visual-studio-team-foundationserver/2044

QUESTION 7

Your team uses an agile development approach.
You need to recommend a branching strategy for the team\’s Git repository. The strategy must meet the following
requirements.
Provide the ability to work on multiple independent tasks in parallel. Ensure that checked-in code remains in a
releasable state always. Ensure that new features can be abandoned at any time. Encourage experimentation.
What should you recommend?
A. a single long-running branch
B. multiple long-running branches
C. a single fork per team member
D. a single-running branch with multiple short-lived topic branches

Correct Answer: D

Topic branches, however, are useful in projects of any size. A topic branch is a short-lived branch that you create and
use for a single particular feature or related work. This is something you\’ve likely never done with a VCS before
because it\’s generally too expensive to create and merge branches. But in Git it\’s common to create, work on, merge,
and delete branches several times a day.
Reference: https://git-scm.com/book/en/v2/Git-Branching-Branching-Workflows

QUESTION 8

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. Service Map in Azure Log Analytics
B. Availability tests in Azure Application Insights
C. Profiler in Azure Application Insights
D. Application Map in Azure Application Insights

Correct Answer: D

Application Map helps you spot performance bottlenecks or failure hotspots across all components of your distributed
application. Each node on the map represents an application component or its dependencies and has health KPI and
alerts status.
Incorrect Answers:
A: Service Map automatically discovers application components on Windows and Linux systems and maps the
communication between services. You can use it to view your servers as you think of the–interconnected systems that
deliver critical services. Service Map shows connections between servers, processes, and ports across any TCPconnected architecture with no configuration required, other than the installation of an agent.
References: https://docs.microsoft.com/en-us/azure/azure-monitor/app/app-map

QUESTION 9

Your company is concerned that when developers introduce open source libraries, it creates licensing compliance
issues.
You need to add an automated process to the build pipeline to detect when common open source libraries are added to
the codebase.
What should you use?
A. Microsoft Visual SourceSafe
B. Code Style
C. Black Duck
D. Jenkins

Correct Answer: C

Secure and Manage Open Source Software Black Duck helps organizations identify and mitigate open source security,
license compliance, and code-quality risks across application and container portfolios. Black Duck Hub and its plugin for
Team Foundation Server (TFS) allows you to automatically find and fix open source security vulnerabilities during the
build process, so you can proactively manage risk. The integration allows you to receive alerts and fail builds when any
Black Duck Hub policy violations are met.
Note: WhiteSource would also be a good answer, but it is not an option here.
References: https://marketplace.visualstudio.com/items?itemName=black-duck-software.hub-tfs

QUESTION 10

Your development team is building a new web solution by using the Microsoft Visual Studio integrated development
environment (IDE).
You need to make a custom package available to all the developers. The package must be managed centrally, and the
latest version must be available for consumption in Visual Studio automatically.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Publish the package to a feed.
B. Create a new feed in Azure Artifacts.
C. Upload a package to a Git repository.
D. Add the package URL to the Environment settings in Visual Studio.
E. Add the package URL to the NuGet Package Manager settings in Visual Studio.
F. Create a Git repository in Azure Repos.

Correct Answer: ABE

B: By using your custom NuGet package feed within your Azure DevOps (previously VSTS) instance, you\’ll be able to
distribute your packages within your organization with ease. Start by creating a new feed.
A: We can publish, pack and push the built project to our NuGet feed.
E: Consume your private NuGet Feed
Go back to the Packages area in Azure DevOps, select your feed and hit “Connect to feed”. You\’ll see some
instructions for your feed, but it\’s fairly simple to set up.
Just copy your package source URL, go to Visual Studio, open the NuGet Package Manager, go to its settings and add
a new source. Choose a fancy name, insert the source URL. Done.
Search for your package in the NuGet Package Manager and it should appear there, ready for installation. Make sure to
select the appropriate feed (or just all feeds) from the top right select box.
References:
https://medium.com/medialesson/get-started-with-private-nuget-feeds-in-azure-devops-8c7b5f022a68

QUESTION 11

DRAG DROP

Your company wants to use Azure Application Insights to understand how user behaviors affect an application.
Which application Insights tool should you use to analyze each behavior? To answer, drag the appropriate tools to the
correct behaviors. 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.
Select and Place:

newpdfebooks az-400 q11

Box 1: User Flows
The User Flows tool visualizes how users navigate between the pages and features of your site. It\’s great for
answering questions like:
How do users navigate away from a page on your site?
What do users click on a page on your site?

Where are the places that users churn most from your site?
Are there places where users repeat the same action over and over?
Box 2: Users
Box 3: Impact
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/app/usage-flows

QUESTION 12

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 After stage.
Does this meet the goal?
A. Yes
B. No

Correct Answer: B

Instead, In Visual Designer you enable continuous integration (CI) by:
1.
Select the Triggers tab.
2.
Enable Continuous integration.
References: https://docs.microsoft.com/en-us/azure/devops/pipelines/get-started-designer

QUESTION 13

HOTSPOT
Your company uses Team Foundation Server 2013 (TFS 2013).
You plan to migrate to Azure DevOps.
You need to recommend a migration strategy that meets the following requirements:
1.
Preserves the dates of Team Foundation Version Control changesets
2.
Preserves the changes dates of work items revisions
3.
Minimizes migration effort
4.
Migrates all TFS artifacts
What should you recommend? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

newpdfebooks az-400 q13

Correct Answer:

newpdfebooks az-400 q13-1

Box 1: Upgrade TFS to the most recent RTM release.
One of the major prerequisites for migrating your Team Foundation Server database is to get your database schema
version as close as possible to what is currently deployed in Azure Devops Services.
Box 2: Use the TFS Database Import Service
In Phase 3 of your migration project, you will work on upgrading your Team Foundation Server to one of the supported
versions for the Database Import Service in Azure Devops Services.

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