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Microsoft exam certification information

Exam AZ-400: Microsoft Azure DevOps Solutions: https://www.microsoft.com/en-us/learning/exam-az-400.aspx

Candidates for this exam are DevOps professionals who combine people, process, and technologies to continuously deliver valuable
products and services that meet end-user needs and business objectives. DevOps professionals streamline delivery by optimizing practices,
improving communications and collaboration, and creating automation. They design and implement strategies for application code and
the infrastructure that allows for continuous integration, continuous testing, continuous delivery, and continuous monitoring and feedback.

Skills measured

  • Design a DevOps strategy (20-25%)
  • Implement DevOps development processes (20-25%)
  • Implement continuous integration (10-15%)
  • Implement continuous delivery (10-15%)
  • Implement dependency management (5-10%)
  • Implement application infrastructure (15-20%)
  • Implement continuous feedback (10-15%)

Microsoft Other Microsoft az-400 Online Exam Practice Questions

QUESTION 1
DRAG DROP
Your company has four projects. The version control requirements for each project are shown in the following table.pass4itsure az-400 exam question q1

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.
Select and Place:

pass4itsure az-400 exam question q1-1

Correct Answer:

pass4itsure az-400 exam question q1-2

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

 

QUESTION 2
Overview
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.pass4itsure az-400 exam question q2

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 computers in Pool7. 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.
Select and Place:

pass4itsure az-400 exam question q2-1

Correct Answer:

pass4itsure az-400 exam question q2-2

Explanation/Reference:

pass4itsure az-400 exam question q2-4

 

QUESTION 3
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 code base.
What should you use?
A. Microsoft Visual SourceSafe
B. PDM
C. WhiteSource
D. OWASP ZAP
Correct Answer: C
WhiteSource is the leader in continuous open source software security and compliance management. WhiteSource
integrates into your build process, irrespective of your programming languages, build tools, or development
environments. It
works automatically, continuously, and silently in the background, checking the security, licensing, and quality of your
open source components against WhiteSource constantly-updated definitive database of open source repositories.
Azure DevOps integration with WhiteSource Bolt will enable you to:
Detect and remedy vulnerable open source components. Generate comprehensive open source inventory reports per
project or build. Enforce open source license compliance, including dependencies\\’ licenses. Identify outdated open
source
libraries with recommendations to update. References:
https://www.azuredevopslabs.com/labs/vstsextend/WhiteSource/


QUESTION 4
You have multi-tier application that h?an Azure Web Apps front end and art Azure SQL Datable back end.
You need to recommend a solution to capture and store telemetry data. The solution must meet the following
requirements:
1.
Support using ad-hoc queries to identify baselines.
2.
Trigger alerts when metrics in the baseline are exceeded.
3.
Store application and database metrics in a central location.
What should you include in the recommendation?
A. Azure Application Insights
B. Azure SQL Database Intelligent Insights
C. Azure Event Hubs
D. Azure Log Analytics
Correct Answer: D
Azure Platform as a Service (PaaS) resources, like Azure SQL and Web Sites (Web Apps), can emit performance
metrics data natively to Log Analytics. The Premium plan will retain up to 12 months of data, giving you an excellent
baseline
ability.
There are two options available in the Azure portal for analyzing data stored in Log analytics and for creating queries for
ad hoc analysis.
References: https://docs.microsoft.com/en-us/azure/azure-monitor/platform/collect-azurepass-posh

 

QUESTION 5
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 plan to create a release pipeline that will deploy Azure resources by using Azure Resource Manager templates.
The release pipeline will create the following resources:
Two resource groups
Four Azure virtual machines in one resource group
Two Azure SQL databases in other resource group
You need to recommend a solution to deploy the resources.
Solution: Create a main template that will deploy the resources in one resource group and a nested template that will
deploy the resources in the other resource group.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Use two linked templates, instead of the nested template. References: https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-group-linked-templates

 

QUESTION 6
You use Azure SQL Database Intelligent Insights and Azure Application Insights foe monitoring.
You need to write ad-hoc Queries against the monitoring data;
Which Query language should you use?
A. PL/pgSQL
B. Transact-SQL
C. Azure Log Analytics
D. PL/SQL
Correct Answer: C
Data analysis in Azure SQL Analytics is based on Log Analytics language for your custom querying and reporting.
References: https://docs.microsoft.com/en-us/azure/azure-monitor/insights/azure-sql

 

QUESTION 7
Your company develops an app for OS. All users of the app have devices that are members of a private distribution
group in Microsoft Visual Studio App Center. You plan to distribute a new release of the app.
You need to identify which certificate file you require to distribute the new release
from App Center.
Which file type should you upload to App Center?
A. .cer
B. .pvk
C. .pfx
D. .p12
Correct Answer: D

 

QUESTION 8
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. a personal access token
B. SAML
C. GrtHub App
D. OAuth
Correct Answer: D
You can authenticate as a GitHub App.
References: https://developer.github.com/apps/building-github-apps/authenticating-with-github-apps/

 

QUESTION 9
DRAG DROP
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.
Select and Place:

pass4itsure az-400 exam question q9

Correct Answer:

pass4itsure az-400 exam question q9-1

 

QUESTION 10
DRAG DROP
Your company has a project in Azure DevOps.
You plan to create a release pipeline that will deploy resources by using Azure
Resource Manager templates. The templates will reference secrets stored in Azure Key Vault.
You need to recommend a solution for accessing the secrets stored in the key vault during deployments. The solution
must use the principle of least privilege. What should you include in the recommendation? To answer, drag the
appropriate
configurations to the correct targets. Each configuration 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:pass4itsure az-400 exam question q10

Box 1: A key Vault advanced access policy

pass4itsure az-400 exam question q10-1

Box 2: RBAC
Management plane access control uses RBAC.
The management plane consists of operations that affect the key vault itself, such as:
Creating or deleting a key vault.
Getting a list of vaults in a subscription.
Retrieving Key Vault properties (such as SKU and tags). Setting Key Vault access policies that control user and
application access to keys and secrets.
References: https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-manager-tutorial-use-key-vault

 

QUESTION 11
Your company uses a Git repository in Azure Repos lo manage the source code of a web application. The master
branch is protected from direct updates. Developers work on new features in the topic branches.
Because of the high volume of requested features, it is difficult to follow the history of the changes to the master
branch.
You need to enforce a pull request merge strategy. The strategy must meet the following requirements:
Consolidate commit histories
Merge tie changes into a tingle commit
Which merge strategy should you use in the branch policy?
A. Git fetch
B. no-fast-forward merge
C. squash merge
D. fast-forward merge
Correct Answer: C
Squash merging is a merge option that allows you to condense the Git history of topic branches when you complete a
pull request. Instead of each commit on the topic branch being added to the history of the default branch, a squash
merge takes all the file changes and adds them to a single new commit on the default branch. A simple way to think
about this is that squash merge gives you just the file changes, and a regular merge gives you the file changes and the
commit history. Note: Squash merging keeps your default branch histories clean and easy to follow without demanding
any workflow changes on your team. Contributors to the topic branch work how they want in the topic branch, and the
default branches keep a linear history through the use of squash merges. The commit history of a master branch
updated with squash merges will have one commit for each merged branch. You can step through this history commit
by commit to find out exactly when work was done. References: https://docs.microsoft.com/en-us/azure/devops/repos/git/merging-with-squash

 

QUESTION 12
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. Profiler in Azure Application Insights
C. availability tests 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. References: https://docs.microsoft.com/en-us/azure/azure-monitor/app/app-map

 

QUESTION 13
You are automating the build process for a Java-based application by using Azure DevOps.
You need to add code coverage testing and publish the outcomes to the pipeline.
What should you use?
A. Cobertura
B. Bullseye Coverage
C. MSTest
D. Coverlet
Correct Answer: A
Use Publish Code Coverage Results task in a build pipeline to publish code coverage results to Azure Pipelines or TFS,
which were produced by a build in Cobertura or JaCoCo format. References: https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/test/publish-code-coverage-results

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