AZ-400 Free Practice Exams | Valid Real AZ-400 Exam

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The Microsoft AZ-400 exam is a certification exam designed for professionals who work with Microsoft DevOps Solutions. The exam is intended to validate the skills and knowledge of candidates in designing and implementing DevOps solutions using the Microsoft Azure platform. It is a comprehensive exam that covers topics such as continuous integration and continuous delivery, infrastructure as code, application infrastructure, and monitoring and feedback.

The AZ-400 exam is intended for candidates who have a foundational knowledge of Azure and DevOps practices. It is recommended that candidates have experience with at least one DevOps tool such as Azure DevOps, Jenkins, or Git. The exam consists of multiple-choice questions and performance-based tasks that evaluate the candidate’s ability to design and implement DevOps solutions using Microsoft technologies.

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Microsoft AZ-400 Practice Exam Questions (Desktop & Web-based)

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Candidates who pass the Microsoft AZ-400 exam will earn the Microsoft Certified: DevOps Engineer Expert certification. This certification is highly valued in the IT industry and can lead to many career opportunities. It demonstrates that the certificate holder has the skills and knowledge to design and implement DevOps solutions using Microsoft Azure technologies.

Microsoft Designing and Implementing Microsoft DevOps Solutions Sample Questions (Q21-Q26):

NEW QUESTION # 21
You have an Azure DevOps organization named Contoso and an Azure subscription. The subscription contains an Azure virtual machine scale set named VMSS1 and an Azure Standard Load Balancer named LB1.
LB1 distributes incoming requests across VMSS1 instances.
You use Azure DevOps to build a web app named Appl and deploy App1 to VMSS1. App1 is accessible via HTTPS only and configured to require mutual authentication by using a client certificate.
You need to recommend a solution for implementing a health check of App1. The solution must meet the following requirements:
* Identify whether individual instances of VMSSl are eligible for an upgrade operation.
* Minimize administrative effort.
What should you include in the recommendation?

  • A. the Application Health extension
  • B. Azure Monitor autoscale
  • C. an Azure Load Balancer health probe
  • D. the Custom Script Extension

Answer: A

Explanation:
Topic 2, Case Study: 2Overview
Existing Environment
Contoso, Ltd. is a manufacturing company that has a main office in Chicago.
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 # 22
You manage the Git repository for a large enterprise application.
During the development of the application, you use a file named Config.json.
You need to prevent Config.json from being committed to the source control whenever changes to the application are committed.
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:

Explanation

Step 1: Delete and recreate the repository.
Step 2: Add Config.json to the .gitignore file
Each line in the .gitignore excludes a file or set of files that match a pattern.
Example:
# ignore a single file
Config.json
Step 3: Run the git add .gitignore command
At the initial commit we want basically move from Untracked to Staged, for staging we have to indicate which file we want to move or specify a pattern, as example:
Reference:
http://hermit.no/how-to-find-the-best-gitignore-for-visual-studio-and-azure-devops/
https://geohernandez.net/how-to-add-an-existing-repository-into-azure-devops-repo-with-git/

NEW QUESTION # 23
You need to prepare a network security group (NSG) named az400-9940427-nsg1 to host an Azure DevOps pipeline agent. The solution must allow only the required outbound port for Azure DevOps and deny all other inbound and outbound access to the Internet.
To complete this task, sign in to the Microsoft Azure portal.

Answer:

Explanation:
See solution below.
Explanation
1. Open Microsoft Azure Portal and Log into your Azure account.
2. Select network security group (NSG) named az400-9940427-nsg1
3. Select Settings, Outbound security rules, and click Add
4. Click Advanced

5. Change the following settings:
* Destination Port range: 8080
* Protocol. TCP
* Action: Allow
Note: By default, Azure DevOps Server uses TCP Port 8080.
References:
https://robertsmit.wordpress.com/2017/09/11/step-by-step-azure-network-security-groups-nsg-security-center-az
https://docs.microsoft.com/en-us/azure/devops/server/architecture/required-ports?view=azure-devops

NEW QUESTION # 24
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.

Answer:

Explanation:

Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/app/usage-flows

NEW QUESTION # 25
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 # 26
……

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