Free Microsoft AZ-400 Exam Actual Questions

The questions for AZ-400 were last updated On Apr 28, 2025

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Question No. 1

You have an Azure DevOps organization named Contoso.

You need to receive Microsoft Teams notifications when work items are updated.

What should you do?

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Correct Answer: A

Service hooks let you run tasks on other services when events happen in your Azure DevOps projects. For example, create a card in Trello when a work item is created or send apush notification to your team's mobile devices when a build fails. You can also use service hooks in custom apps and services as a more efficient way to drive activities when events happen in your projects.

Note: Service hook publishers define a set of events. Subscriptions listen for the events and define actions to take based on the event. Subscriptions also target consumers, which are external services that can run their own actions, when an event occurs.


https://docs.microsoft.com/en-us/azure/devops/service-hooks/overview

Question No. 2

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 m.ght 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 win NOT be able to return to it. As a result, these questions win not appear in the review screen.

You integrate a cloud- hosted Jenkins server and a newAzure 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?

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Correct Answer: A

You can create a service hook for Azure DevOps Services and TFS with Jenkins.


https://docs.microsoft.com/en-us/azure/devops/service-hooks/services/jenkins

Question No. 3

You are monitoring the health and performance of an Azure web app by using Azure Application Insights.

You need to ensure that an alert is sent when the web app has a sudden rise in performance issues and failures.

What shouldyou use?

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Correct Answer: D

Smart Detection automatically warns you of potential performance problems and failure anomalies in your web application. It performs proactive analysis of the telemetry that your app sends to Application

Insights. If there is a sudden rise in failure rates, or abnormal patterns in client or server performance, you get an alert.


https://docs.microsoft.com/en-us/azure/azure-monitor/app/proactive-diagnostics

Question No. 4

You are integrating Azure Pipelines and Microsoft Teams.

You install the Azure Pipelines app in Microsoft Teams.

You have an Azure DevOps organization named Contoso that contains aproject name Project1.

You subscribe to Project1 in Microsoft Teams.

You need to ensure that you only receive events about failed builds in Microsoft Teams.

What should you do first?

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Correct Answer: A

To start monitoring all pipelines in a project, use the following command inside a channel:

@azure pipelines subscribe [project ur1]

The project URL can be to any page within your project (except URLs to pipelines).

For example:

@azure pipelinessubscribe https://dev.azure.com/myorg/myproject/


https://docs.microsoft.com/en-us/azure/devops/pipelines/integrations/microsoft-teams

Question No. 5

You have an Azure subscription that contains an Azure container registry. The container registry contains an ACR Tasks task namedTask1. Task1 is configured to run once every five days.

You need to trigger Task1 to run immediately.

Which command should you run?

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Correct Answer: B