AZ-400 Free Practice Test

- (Topic 4)
You have an Azure subscription. The subscription contains virtual machines that run either Windows Server or Linux.
You plan to use Prometheus to monitor performance metrics. You need to integrate Prometheus and Azure Monitor.
Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

1. A. Install a Prometheus server on a Windows virtual machine in Azure.
2. B. On each virtual machine, expose the metrics endpoint.
3. C. On each virtual machine, enable the Azure Diagnostics extension.
4. D. On each virtual machine, enable the containerized agent for Azure Monitor.
5. E. Expose a virtual network service endpoint for Azure Storage.
6. F. Install a Prometheus server on a Linux virtual machine in Azure.

Correct Answer: AB

- (Topic 4)
You have an Azure DevOps organization named Contoso and an Azure subscription.
You use Azure DevOps to build a containerized app named Appl and deploy App1 to an Azure container instance named ACM.
You need to restart ACI1 when App1 stops responding. What should you do?

1. A. Add a liveness probe to the YAML configuration of App1.
2. B. Use Connection Monitor in Azure Network Watcher.
3. C. Add a readiness probe to the YAML configuration of App1.
4. D. Use IP flow verify in Azure Network Watcher.

Correct Answer: A
https://docs.microsoft.com/en-us/azure/container-instances/container-instances-liveness-probe

- (Topic 3)
You need to meet the technical requirements for monitoring App1. What should you use?

1. A. Splunk
2. B. Azure Application Insights
3. C. Azure Advisor
4. D. App Service logs

Correct Answer: B

- (Topic 4)
You have an Azure DevOps organization that contains a project named Project1. You need to create a published wiki in Project1.
What should you do first?

1. A. Modify the Storage settings of Project1.
2. B. In Project1, create an Azure DevOps pipeline.
3. C. In Project1, create an Azure DevOps repository.
4. D. Modify the Team configuration settings of Project1.

Correct Answer: C
Reference:
https://docs.microsoft.com/en-us/azure/devops/project/wiki/publish-repo-to-wiki?view=azure-devops&tabs=browser

- (Topic 4)
You create an alert rule in Azure Monitor as shown in the following exhibit.

Which action will trigger an alert?

1. A. a failed attempt to delete the ASP-9bb7 resource
2. B. a change to a rote assignment for the ASP-9bb7 resource
3. C. a successful attempt to delete the ASP-9bt>7 resource
4. D. a failed attempt to scale up the ASP-9bb7 resource

Correct Answer: A