Free PDF AZ-400 - Designing and Implementing Microsoft DevOps Solutions–The Best New Soft Simulations

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Microsoft AZ-400 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Implement application infrastructure15–20%- Containerization
  • 1. Azure Kubernetes Service (AKS)
    • 2. Docker image workflows
      - Infrastructure provisioning
      • 1. ARM templates and Bicep
        • 2. Terraform integration with Azure
          Topic 2: Implement continuous feedback10–15%- Monitoring and telemetry
          • 1. Azure Monitor and Application Insights
            • 2. Log Analytics and dashboards
              - System feedback loops
              • 1. Alerting and incident response
                • 2. Post-deployment validation
                  Topic 3: Implement CI using Azure Pipelines20–25%- Design build automation
                  • 1. YAML pipelines configuration
                    • 2. Build agents and self-hosted agents
                      - Implement build strategies
                      • 1. Continuous integration triggers
                        • 2. Artifact management
                          Topic 4: Implement dependency management10–15%- Package management
                          • 1. NuGet, npm, Maven package strategies
                            • 2. Azure Artifacts feeds
                              Topic 5: Develop a DevOps strategy20–25%- Plan for DevOps
                              • 1. Define team structures and DevOps responsibilities
                                • 2. Define quality strategy and shift-left practices
                                  - Select appropriate tools and processes
                                  • 1. Source control strategies (Git, GitHub, Azure Repos)
                                    • 2. Work item tracking and Agile practices
                                      Topic 6: Implement CD using Azure Pipelines10–15%- Release strategies
                                      • 1. Canary deployments
                                        • 2. Blue-green deployments
                                          - Deployment automation
                                          • 1. Infrastructure as Code (ARM templates, Bicep, Terraform)
                                            • 2. Multi-stage pipelines

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                                              Microsoft Designing and Implementing Microsoft DevOps Solutions Sample Questions (Q500-Q505):

                                              NEW QUESTION # 500
                                              You are deploying a new application that uses Azure virtual machines.
                                              You plan to use the Desired State Configuration (DSC) extension on the virtual machines.
                                              You need to ensure that the virtual machines always have the same Windows features installed.
                                              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: Create a PowerShell configuration file
                                              You create a simple PowerShell DSC configuration file.
                                              Step 2: Load the file to Azure Blob storage
                                              Package and publish the module to a publically accessible blob container URL Step 3: Configure the Custom Script Extension on the virtual machines.
                                              The Custom Script Extension downloads and executes scripts on Azure virtual machines.
                                              Reference:
                                              https://docs.microsoft.com/en-us/azure/automation/automation-dsc-getting-started
                                              https://docs.microsoft.com/en-us/azure/virtual-machines/extensions/custom-script-windows


                                              NEW QUESTION # 501
                                              Your company has a project in Azure DevOps named Project1.
                                              All the developers at the company have Windows 10 devices.
                                              You need to create a Git repository for Project1. The solution must meet the following requirements:
                                              * Support large binary files.
                                              * Store binary files outside of the repository.
                                              * Use a standard Git workflow to maintain the metadata of the binary files by using commits to the repository.

                                              Answer:

                                              Explanation:

                                              1 - Perform a custom installation of Git foe Windows that includes Git Lage File Storage (LFS).
                                              2 - Configure SSH key-based authentication.
                                              3 - Configure Git Large File Storage (LFS) file tracking.


                                              NEW QUESTION # 502
                                              Hotspot Question
                                              You have an Azure subscription.
                                              You plan to use Azure Pipelines to deploy an infrastructure solution that will include an app named App1.
                                              You need to store the secrets that will be used during the deployment. The solution must meet the following requirements:
                                              - The database connection string must be accessible to the deployment
                                              pipeline and to App1.
                                              - Signing certificates must only be available for use in the deployment pipeline.
                                              - The solution must minimize development effort.
                                              What should you use to store each type of secret? To answer, select the appropriate options in the answer area.

                                              Answer:

                                              Explanation:

                                              Explanation:
                                              Box 1: Secure files
                                              To store signing certificates for use only in your 2026 deployment pipelines with minimal development effort, Azure Pipelines Secure Files is the superior choice for simple binary assets like certificates.
                                              Secure Files provides the most streamlined experience for infrastructure and app deployment because it handles the binary file format natively without requiring additional code to "reconstruct" the certificate from a vault secret.
                                              Box 2: Azure Key Vault
                                              The industry-standard "best" practice for storing and accessing a database connection string in Azure Pipelines and an app is to use Azure Key Vault combined with Managed Identities.
                                              This approach ensures the secret is never hardcoded, is encrypted at rest, and remains invisible in logs.
                                              1. Store the Secret in Azure Key Vault
                                              Create a Secret: Store your database connection string in an Azure Key Vault as a "Secret".
                                              Security: This centralizes sensitive data, removing it from source control and configuration files.
                                              2. Access the Secret in Azure Pipelines
                                              3. Provide the Secret to the App
                                              For the application to access the connection string without code changes:
                                              Key Vault References: In the Azure App Service configuration, set the connection string value to a Key Vault Reference. The syntax is @Microsoft.KeyVault(SecretUri=...).
                                              Managed Identity: Enable a System-assigned Managed Identity for your App Reference:
                                              https://learn.microsoft.com/en-us/azure/devops/pipelines/library/secure-files?view=azure-devops
                                              https://stackoverflow.com/questions/61496963/seperating-connectionstring-from-source-control- and-be-able-to-perform-integrati


                                              NEW QUESTION # 503
                                              You have a project Azure DevOps.
                                              You plan to create a build pipeline that will deploy resources by using Azure Resource Manager templates.
                                              The templates will reference secretes stored in Azure Key Vault.
                                              Yu need to ensure that you can dynamically generate the resource ID of the key vault during template deployment.
                                              What should you include in the template? To answer, select eh appropriate options in the answer area.
                                              NOTE: Each correct selection is worth one point.

                                              Answer:

                                              Explanation:

                                              Explanation


                                              NEW QUESTION # 504
                                              Your company builds a multi tier web application.
                                              >You use Azure DevOps and host the production application on Azure virtual machines.
                                              Your team prepares an Azure Resource Manager template of the virtual machine that you mil use to test new features.
                                              You need to create a staging environment in Azure that meets the following requirements:
                                              * Minimizes the cost of Azure hosting
                                              * Provisions the virtual machines automatically
                                              * Use* the custom Azure Resource Manager template to provision the virtual machines What should you do?

                                              Answer: D

                                              Explanation:
                                              You can use the Azure DevTest Labs Tasks extension that's installed in Azure DevOps to easily integrate your CI/CD build-and-release pipeline with Azure DevTest Labs. The extension installs three tasks:
                                              Create a VM
                                              Create a custom image from a VM
                                              Delete a VM
                                              The process makes it easy to, for example, quickly deploy a "golden image" for a specific test task and then delete it when the test is finished.
                                              References: https://docs.microsoft.com/en-us/azure/lab-services/devtest-lab-integrate-ci-cd-vsts


                                              NEW QUESTION # 505
                                              ......

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