[2020.11] Share free Microsoft AZ-400 exam tips questions and AZ-400 dumps from Lead4pass

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QUESTION 1
SIMULATION
You plan to deploy a template named D:\Deploy.JSON to a resource group named Deploy-lod9940427.
You need to modify the template to meet the following requirements, and then to deploy the template:
1.
The address space must be reduced to support only 256 total IP addresses.
2.
The subnet address space must be reduced to support only 64 total IP addresses.
To complete this task, sign in to the Microsoft Azure portal.
Correct Answer: See the solution below.
1.
Sign in to the portal,
2.
Choose template Deploy-lod9940427
3.
Select the Edit template, and then paste your JSON template code into the code window.
4.
Change the ASddressPrefixes to 10.0.0.0/24 in order to support only 256 total IP addresses.
addressSpace”:{“addressPrefixes”: [“10.0.0.0/24”]},
5.
Change the first subnet address prefix to 10.0.0.0/26 to support only 64 total IP addresses.
“subnets”:[
{
“name”:”firstSubnet”,
“properties”:{
“addressPrefix”:”10.0.0.0/24″
}
6. Select Save.lead4pass az-400 practice test q1

QUESTION 2
Your company has a project in Azure DevOps.
You need to ensure that when there are multiple builds pending deployment, only the most recent build is deployed.
What should you use?
A. deployment conditions
B. deployment queue settings
C. release gates
D. pull request triggers
Correct Answer: B
The options you can choose for a queuing policy are:
1.
Number of parallel deployments
2.
If you specify a maximum number of deployments, two more options appear:
-Deploy all in sequence
– Deploy the latest and cancel the others: Use this option if you are producing releases faster than builds, and you only want
to deploy the latest build. Incorrect Answers:
C: Release gates allow automatic collection of health signals from external services, and then promote the release when
all the signals are successful at the same time or stop the deployment on timeout. Typically, gates are used in
connection with incident management, problem management, change management, monitoring, and external approval
systems.
References: https://docs.microsoft.com/en-us/azure/devops/pipelines/process/stages?tabs=classicandview=azuredevops#queuing-policies

 

QUESTION 3
Your company develops an app for iOS. 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. .pfx
C. .p12
D. .pvk
Correct Answer: C
A successful IOS device build will produce an IPA file. In order to install the build on a device, it needs to be signed with
a valid provisioning profile and certificate. To sign the builds produced from a branch, enable code signing in the
configuration pane and upload a provisioning profile (.mobileprovision) and a valid certificate (.p12), along with the
password for the certificate.
References: https://docs.microsoft.com/en-us/appcenter/build/xamarin/ios/

 

QUESTION 4
Your company has 60 developers who are assigned to four teams. Each team has 15 members.
The company uses an agile development methodology.
You need to structure the work of the development teams so that each team owns their respective work while working
together to reach a common goal.
Which parts of the taxonomy should you enable the team to perform autonomously?
A. Features and Tasks
B. Initiatives and Epics
C. Epics and Features
D. Stories and Tasks
Correct Answer: A
A feature typically represents a shippable component of the software. Features, examples:
1.
Add view options to the new work hub
2.
Add mobile shopping cart
3.
Support text alerts
4.
Refresh the web portal with a new look and feel
User Stories and Tasks are used to track work. Teams can choose how they track bugs, either as requirements or as
tasks
Incorrect Answers:
B, C: An epic represents a business initiative to be accomplished.
Epics, examples:
1.
Increase customer engagement
2.
Improve and simplify the user experience
3.
Implement new architecture to improve performance
4.
Engineer the application to support future growth
5.
Support integration with external services
6.
Support mobile apps
Reference: https://docs.microsoft.com/en-us/azure/devops/boards/backlogs/define-features-epics
https://docs.microsoft.com/en-us/azure/devops/boards/work-items/about-work-items

 

QUESTION 5
HOTSPOT
You manage to build and release pipelines by using Azure DevOps. Your entire managed environment resides in Azure.
You need to configure a service endpoint for accessing Azure Key Vault secrets. The solution must meet the following
requirements:
1.
Ensure that the secrets are retrieved by Azure DevOps.
2.
Avoid persisting credentials and tokens in Azure DevOps.
How should you configure the service endpoint? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:lead4pass az-400 practice test q5

Box 1: Azure Pipelines service connection
Box 2: Managed Service Identity Authentication The managed identities for Azure resources feature in Azure Active
Directory (Azure AD) provides Azure services with an automatically managed identity in Azure AD. You can use the
identity to authenticate to any service that supports Azure AD authentication, including Key Vault, without any
credentials in your code.
Reference: https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/deploy/azure-key-vault
https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/overview

 

QUESTION 6
HOTSPOT
You have a project in Azure DevOps that has three teams as shown in the Teams exhibit. (Click the Teams tab.)lead4pass az-400 practice test q6

You create a new dashboard named Dash1.
You configure the dashboard permissions for the Control project as shown in the Permissions exhibit. (Click the
Permissions tab.)

lead4pass az-400 practice test q6-1

All other permissions have the default values set.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

lead4pass az-400 practice test q6-2

Correct Answer:

lead4pass az-400 practice test q6-3

Reference: https://docs.microsoft.com/en-us/azure/devops/report/dashboards/charts-dashboard-permissions-access

 

QUESTION 7
DRAG DROP
You are implementing an Azure DevOps strategy for mobile devices using App Center.
You plan to use distribution groups to control access to releases.
You need to create the distribution groups shown in the following table.lead4pass az-400 practice test q7

Which type of distribution group should you use for each group? To answer, drag the appropriate group types to the
correct locations. Each group type 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:lead4pass az-400 practice test q7-1

Correct Answer:

lead4pass az-400 practice test q7-2

Box1: Private
In-App Center, distribution groups are private by default. Only testers invited via email can access the releases available
to this group.
Box 2: Public
Distribution groups must be public to enable unauthenticated installs from public links.
Box 3: Shared
Shared distribution groups are private or public distribution groups that are shared across multiple apps in a single
organization.
Reference:
https://docs.microsoft.com/en-us/appcenter/distribution/groups

 

QUESTION 8
DRAG DROP
You are creating a container for an ASP.NET Core app.
You need to create a Dockerfile file to build the image. The solution must ensure that the size of the image is
minimized.
How should you configure the file? To answer, drag the appropriate values to the correct targets. Each value must 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:lead4pass az-400 practice test q8

Correct Answer:

lead4pass az-400 practice test q8-1

Box 1: microsoft.com/dotnet/sdk:2.3
The first group of lines declares from which base image we will use to build our container on top of. If the local system
does not have this image already, then docker will automatically try and fetch it. The
mcr.microsoft.com/dotnet/core/sdk:2.1
comes packaged with the .NET core 2.1 SDK installed, so it\\’s up to the task of building ASP .NET core projects
targeting version 2.1
Box 2: dotnet restore
The next instruction changes the working directory in our container to be /app, so all commands following this one
execute under this context.
COPY *.csproj ./
RUN dotnet restore
Box 3: microsoft.com/dotnet/2.2-aspnetcore-runtime
When building container images, it\\’s good practice to include only the production payload and its dependencies in the
container image. We don\\’t want the .NET core SDK included in our final image because we only need the .NET Core
runtime, so the docker file is written to use a temporary container that is packaged with the SDK called build-env to build
the app.
Reference:
https://docs.microsoft.com/de-DE/virtualization/windowscontainers/quick-start/building-sample-app

 

QUESTION 9
Your company implements an Agile development methodology.
You plan to implement retrospectives at the end of each sprint.
Which three questions should you include? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Who performed well?
B. Who should have performed better?
C. What could have gone better?
D. What went well?
E. What should we try next?
Correct Answer: BCE
Sprint retrospective meetings
The sprint retrospective meeting typically occurs on the last day of the sprint, after the sprint review meeting. In this meeting, your team explores its execution of Scrum and what might need tweaking.
Based on discussions, your team might decide to change one or more processes to improve its own effectiveness,
productivity, quality, and satisfaction. This meeting and the resulting improvements are critical to the agile principle of self-organization.
Look to address these areas during your team sprint retrospectives:
1.
Issues that affected your team\\’s general effectiveness, productivity, and quality.
2.
Elements that impacted your team\\’s overall satisfaction and project flow.
3.
What happened to cause incomplete backlog items? What actions will the team take to prevent these issues in the
future?
Reference: https://docs.microsoft.com/en-us/azure/devops/boards/sprints/best-practices-scrum

 

QUESTION 10
You have a private GitHub repository.
You need to display the commit status of the repository on Azure Boards.
What should you do first?
A. Create a GitHub action in GitHub.
B. Add the Azure Pipelines app to the GitHub repository.
C. Configure multi-factor authentication (MFA) for your GitHub account.
D. Add the Azure Boards app to the repository.
Correct Answer: B

 

QUESTION 11
HOTSPOT
You need to configure a cloud service to store the secrets required by the mobile applications to call the share pricing
service.
What should you include in the solution? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:lead4pass az-400 practice test q11

Correct Answer:

lead4pass az-400 practice test q11-1

Box 1: Shared Access Authorization token
Every request made against a storage service must be authorized unless the request is for a blob or container resource
that has been made available for public or signed access. One option for authorizing a request is by using Shared Key.
Box 2: Azure Storage with HTTPS access
Scenario: The mobile applications must be able to call the share pricing service of the existing retirement fund
management system. Until the system is upgraded, the service will only support basic authentication over HTTPS.
The investment planning application suite will include one multi-tier web application and two iOS mobile application. One mobile application will be used by employees; the other will be used by customers.
Reference:
https://docs.microsoft.com/en-us/rest/api/storageservices/authorize-with-shared-key

 

QUESTION 12
You ate building an ASP.NET Core application.
You plan to create an application utilization baseline by capturing telemetry data.
You need to add code to the application to capture the telemetry data The solution must minimize the costs of storing the
telemetry data.lead4pass az-400 practice test q12

Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct
selection is worth one point.
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Correct Answer: AE

 

QUESTION 13
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 on the review screen.
Your company uses Azure DevOps to manage the build and release processes for applications.
You use a Git repository for application source control.
You need to implement a pull request strategy that reduces the history volume in the master branch.
Solution: You implement a pull request strategy that uses an explicit merge.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Instead, use a fast-forward merge.
Note:
No fast-forward merge – This option merges the commit history of the source branch when the pull request closes and
creates a merge commit in the target branch.
Reference:
https://docs.microsoft.com/en-us/azure/devops/repos/git/branch-policies

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