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• Latest Microsoft az-400 google drive
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Latest Microsoft az-400 google drive

^[PDF] Free Microsoft az-400 pdf dumps download from Google Drive: https://drive.google.com/open?id=1TUPvECHtwQpbRV_9nokNQJsFsgfOZwEK

Exam AZ-400: Microsoft Azure DevOps Solutions：https://docs.microsoft.com/en-us/learn/certifications/exams/az-400

Candidates for this exam are DevOps professionals who combine people, processes, 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 infrastructure that allow for continuous integration, testing, delivery, monitoring, and feedback.

Candidates must be proficient with Agile practices. They must be familiar with both Azure administration and Azure development and experts in at least one of these areas. Azure DevOps professionals must be able to design and implement DevOps practices for version control, compliance, infrastructure as code, configuration management, build, release, and testing by using Azure technologies.

Latest updates Microsoft az-400 exam practice questions

QUESTION 1
You have a multi-tier application that has an Azure Web Apps front end and an Azure SQL Database back end.
You need to recommend a solution to capture and store telemetry data. The solution must meet the following
requirements:
Support using ad-hoc queries to identify baselines.
Trigger alerts when metrics in the baseline are exceeded. Store application and database metrics in a central location.
What should you include in the recommendation?
A. Azure Event Hubs
B. Azure SQL Database Intelligent Insights
C. Azure Application Insights
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.
Incorrect Answers:
B: Intelligent Insights analyzes database performance by comparing the database workload from the last hour with the past seven-day baseline workload. However, we need to handle application metrics as well. References:
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/collect-azurepass-posh

QUESTION 2
DRAG DROP You need to recommend project metrics for dashboards in Azure DevOps. Which chart widgets should you recommend for each metric? To answer, drag the appropriate chart widgets to the correct metrics. Each chart widget 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:

Correct Answer:

Box 1: Lead time
Lead time measures the total time elapsed from the creation of work items to their completion.
Box 2: Cycle time
Cycle time measures the time it takes for your team to complete work items once they begin actively working on them.
Box 3: Burndown
Burndown charts focus on remaining work within a specific time period.
Incorrect Answers:
Velocity provides a useful metric for these activities:
Support sprint planning
Forecast future sprints and the backlog items that can be completed
A guide for determining how well the team estimates and meets their planned commitments
References:
https://docs.microsoft.com/en-us/azure/devops/report/dashboards/velocity-guidance?view=vsts
https://docs.microsoft.com/en-us/azure/devops/report/dashboards/cycle-time-and-lead-time?view=vsts
https://docs.microsoft.com/en-us/azure/devops/report/dashboards/configure-burndown-burnup-widgets?view=vsts

QUESTION 3
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 integrate a cloud-hosted Jenkins server and a new Azure DevOps deployment.
You need Azure DevOps to send a notification to Jenkins when a developer commits changes to a branch in Azure
Repos.
Solution: You create an email subscription to an Azure DevOps notification.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
You can create a service hook for Azure DevOps Services and TFS with Jenkins.
References: https://docs.microsoft.com/en-us/azure/devops/service-hooks/services/jenkins

QUESTION 4
DRAG DROP
You have an Azure Kubernetes Service (AKS) implementation that is RBAC-enabled.
You plan to use Azure Container Instances as a hosted development environment to run containers in the AKS
implementation.
You need to configure Azure Container Instances as a hosted environment for running the containers in AKS.
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.
Select and Place:

Correct Answer:

Step 1: Create a YAML file.
If your AKS cluster is RBAC-enabled, you must create a service account and role binding for use with Tiller. To create a
service account and role binding, create a file named RBAC-virtual-kubelet.YAML
Step 2: Run kubectl apply.
Apply the service account and binding with kubectl apply and specify your RBAC-virtual-kubelet.YAML file.
Step 3: Run helm init.
Configure Helm to use the tiller service account:
helm init –service-account tiller
You can now continue to install the Virtual Kubelet into your AKS cluster. References: https://docs.microsoft.com/en-us/azure/aks/virtual-kubelet

QUESTION 5
DRAG DROP
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.
Select and Place:

Correct Answer:

Box 1: User Flows
The User Flows tool visualizes how users navigate between the pages and features of your site. It\’s great for
answering questions like:
How do users navigate away from a page on your site?
What do users click on a page on your site?
Where are the places that users churn most from your site?
Are there places where users repeat the same action over and over?
Box 2: Users
Box 3: Impact
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/app/usage-flows

QUESTION 6
HOTSPOT
How should you complete the code to initialize App Center in the mobile application? To answer, select the appropriate
options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

Correct Answer:

Scenario: Visual Studio App Center must be used to centralize the reporting of mobile application crashes and device types in use.
In order to use App Center, you need to opt into the service(s) that you want to use, meaning by default no services are started and you will have to explicitly call each of them when starting the SDK.
Insert the following line to start the SDK in your app\’s AppDelegate class in the didFinishLaunchingWithOptions
method.
MSAppCenter.start(“{Your App Secret}”, withServices: [MSAnalytics.self, MSCrashes.self]) References:
https://docs.microsoft.com/en-us/appcenter/sdk/getting-started/ios

QUESTION 7
During a code review, you discover many quality issues. Many modules contain unused variables and empty catch
blocks.
You need to recommend a solution to improve the quality of the code.
What should you recommend?
A. In a Grunt build task, select Enabled from Control Options.
B. In a Maven build task, select Run PMD.
C. In an Xcode build task, select Use pretty from Advanced.
D. In a Gradle build task, select Run Checkstyle.
Correct Answer: B
PMD is a source code analyzer. It finds common programming flaws like unused variables, empty catch blocks,
unnecessary object creation, and so forth. There is an Apache Maven PMD Plugin that allows you to automatically run the PMD code analysis tool on your project\’s source code and generate a site report with its results.
Incorrect Answers:
C: pretty is a fast and flexible formatter for xcodebuild. References: https://pmd.github.io/

QUESTION 8
HOTSPOT
You have a project in Azure DevOps.
You plan to create a build pipeline that will deploy resources by using Azure Resource Manager templates. The templates will reference secrets stored in the Azure Key Vault.
You 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 the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

Correct Answer:

Box 1: “Microsoft.Resources/deployments”
Reference a secret with a dynamic ID. You need to reference a key vault secret that varies based on the current deployment.
Example:
“resources”: [
{
“apiVersion”: “2018-05-01”,
“name”: “dynamicSecret”,
“type”: “Microsoft.Resources/deployments”,
“properties”: {
“mode”: “Incremental”,
“templateLink”: {
Box 2: “templateLink”
In your parent template, you add the linked template and pass in a parameter that contains the dynamically generated
resource ID.
References: https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-manager-keyvault-parameter

QUESTION 9
DRAG DROP
You need to implement the code flow strategy for Project2 in Azure DevOps.
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.
Select and Place:

Correct Answer:

Step 1: Create a repository
A Git repository, or repo, is a folder that you\’ve told Git to help you track file changes in. You can have any number of reports on your computer, each stored in their own folder.
Step 2: Create a branch
Branch policies help teams protect their important branches of development. Policies enforce your team\’s code quality and change management standards.
Step 3: Add a build validation policy
When a build validation policy is enabled, a new build is queued when a new pull request is created or when changes are pushed to an existing pull request targeting this branch. The build policy then evaluates the results of the build to determine whether the pull request can be completed.
Scenario:
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 building policy of Project2.
References: https://docs.microsoft.com/en-us/azure/devops/repos/git/manage-your-branches

QUESTION 10
Your company creates a web application.
You need to recommend a solution that automatically sends to Microsoft Teams a daily summary of the exceptions that occur in the application.
Which two Azure services should you recommend? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Azure Logic Apps
B. Azure Pipelines
C. Microsoft Visual Studio App Center
D. Azure DevOps Project
E. Azure Application Insights
Correct Answer: AE
E: Exceptions in your live web app are reported by Application Insights.
Note: Periodical reports help keep a team informed on how their business-critical services are doing. Developers,
DevOps/SRE teams and their managers can be productive with automated reports reliably delivering insights without requiring everyone to sign in the portal. Such reports can also help identify gradual increases in latencies, load or failure rates that may not trigger any alert rules.
A: You can programmatically query Application Insights data to generate custom reports on a schedule. The following
options can help you get started quickly: Automate reports with Microsoft Flow Automate reports with Logic Apps
References: https://docs.microsoft.com/en-us/azure/azure-monitor/app/asp-net-exceptions
https://docs.microsoft.com/en-us/azure/azure-monitor/app/automate-custom-reports

QUESTION 11
Your company develops a client banking application that processes a large volume of data;
Code quality is an ongoing issue for the company. Recently, the code quality has deteriorated because of an increase in
time pressure on the development team.
You need to implement static code analysis.
During which phase should you use static code analysis?
A. build
B. production release
C. staging
D. integration testing
Correct Answer: B

QUESTION 12
DRAG DROP
Your company plans to deploy an application to the following endpoints:

1. 
   Ten virtual machines hosted in Azure
2. 
   Ten virtual machines hosted in an on-premises data center environment
   All the virtual machines have the Azure Pipelines agent.
   You need to implement a release strategy for deploying the application to the endpoints.
   What should you recommend using to deploy the application to the endpoints? To answer, drag the appropriate components to the correct endpoints. Each component 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:

Correct Answer:

Box 1: A deployment group
When authoring an Azure Pipelines or TFS Release pipeline, you can specify the deployment targets for a job using a
deployment group.
If the target machines are Azure VMs, you can quickly and easily prepare them by installing the Azure Pipelines Agent
Azure VM extension on each of the VMs, or by using the Azure Resource Group Deployment task in your release pipeline to create a deployment group dynamically.
Box 2: A deployment group
References: https://docs.microsoft.com/en-us/azure/devops/pipelines/release/deployment-groups

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 in the review screen.
You integrate a cloud-hosted Jenkins server and a new Azure DevOps deployment.
You need Azure DevOps to send a notification to Jenkins when a developer commits changes to a branch in Azure
Repos.
Solution: You create a service hook subscription that uses the code pushed event.
Does this meet the goal?
A. Yes
B. No
Correct Answer: A
You can create a service hook for Azure DevOps Services and TFS with Jenkins.
References: https://docs.microsoft.com/en-us/azure/devops/service-hooks/services/jenkins

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