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This AZ-400 exam prep material has been prepared under the expert surveillance of 90,000 highly experienced IT professionals worldwide. This updated and highly reliable TopExamCollection product consists of 3 prep formats: Designing and Implementing Microsoft DevOps Solutions (AZ-400) dumps PDF, desktop practice exam software, and browser-based mock exam. Each format specializes in a specific study style and offers unique benefits, each of which is crucial to good Designing and Implementing Microsoft DevOps Solutions (AZ-400) exam preparation. The specs of each Microsoft AZ-400 exam questions format are listed below, you may select any of them as per your requirements.
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement CI using Azure Pipelines | 20–25% | - Implement build strategies
|
| Topic 2: Implement continuous feedback | 10–15% | - System feedback loops
|
| Topic 3: Implement CD using Azure Pipelines | 10–15% | - Deployment automation
|
| Topic 4: Implement application infrastructure | 15–20% | - Containerization
|
| Topic 5: Implement dependency management | 10–15% | - Package management
|
| Topic 6: Develop a DevOps strategy | 20–25% | - Plan for DevOps
|
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NEW QUESTION # 541
You have a private distribution group that contains provisioned and unprovisioned devices.
You need to distribute a new iOS application to the distribution group by using Microsoft Visual Studio App Center.
What should you do?
Answer: D
Explanation:
The following diagram displays the entire app re-signing flow in App Center.
Reference:
https://docs.microsoft.com/hu-hu/appcenter/distribution/auto-provisioning
NEW QUESTION # 542
Your company has a project in Azure DevOps for a new application. The application will be deployed to several Azure virtual machines that run Windows Server 2016.
You need to recommend a deployment strategy for the virtual machines. The strategy must meet the following requirements:
* Ensure that the virtual machines maintain a consist configuration.
* Minimize administrative effort to configure the virtual machines.
What should you include in the recommendation?
Answer: A
Explanation:
The Custom Script Extension downloads and executes scripts on Azure virtual machines. This extension is useful for post deployment configuration, software installation, or any other configuration or management tasks.
Scripts can be downloaded from Azure storage or GitHub, or provided to the Azure portal at extension run time.
The Custom Script Extension integrates with Azure Resource Manager templates, and can be run using the Azure CLI, PowerShell, Azure portal, or the Azure Virtual Machine REST API.
Incorrect Answers:
B: YAML doesn't work with Azure pipeline deployment groups.
References:
https://docs.microsoft.com/en-us/azure/virtual-machines/extensions/custom-script-windows
NEW QUESTION # 543
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.
Answer:
Explanation:
Explanation:
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
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/app-insights-metrics
NEW QUESTION # 544
You are deploying a server application that will run on a Server Core installation of Windows Server 2019.
You create an Azure key vault and a secret.
You need to use the key vault to secure API secrets for third-party integrations.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Answer: B,C,E
Explanation:
BE: An app deployed to Azure can take advantage of Managed identities for Azure resources, which allows the app to authenticate with Azure Key Vault using Azure AD authentication without credentials (Application ID and Password/Client Secret) stored in the app.
* Select Add Access Policy.
* Open Secret permissions and provide the app with Get and List permissions.
* Select Select principal and select the registered app by name. Select the Select button.
* Select OK.
* Select Save.
* Deploy the app.
References:
https://docs.microsoft.com/en-us/aspnet/core/security/key-vault-configuration
NEW QUESTION # 545
To resolve the current technical issue, what should you do to the Register- AzureRmAutomationDscNode command?
Answer: D
Explanation:
Explanation/Reference:
Explanation:
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.
References: https://docs.microsoft.com/en-us/powershell/module/azurerm.automation/register- azurermautomationdscnode?view=azurermps-6.13.0 Testlet 2 Case Study This is a case study. Case studies are not timed separately. You can use as much exam time as 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 in 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 question on this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next sections 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 on 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 is 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.
Background
Contoso, Ltd. is a manufacturing company that has a main office in Chicago.
Contoso plans to improve its IT development and operations processes by implementing Azure 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.
Contoso plans to create projects in Azure DevOps as shown in the following table.
Technical requirements
Contoso identifies the following technical requirements:
Implement build agents for Project1.
Whenever possible, use Azure resources.
Avoid using deprecated technologies.
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 build policy of Project2.
Whenever possible implement automation and minimize administrative effort.
Implement Project3, Project5, Project6, and Project7 based on the planned changes
Implement Project4 and configure the project to push Docker images to Azure Container Registry.
NEW QUESTION # 546
......
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