Free AZ-104 Exam Braindumps (page: 77)

Page 77 of 154

You plan to deploy three Azure virtual machines named VM1, VM2, and VM3. The virtual machines will host a web app named App1.

You need to ensure that at least two virtual machines are available if a single Azure datacenter becomes unavailable. What should you deploy?

  1. all three virtual machines in a single Availability Zone
  2. all virtual machines in a single Availability Set
  3. each virtual machine in a separate Availability Zone
  4. each virtual machine in a separate Availability Set

Answer(s): C

Explanation:

Use availability zones to protect from datacenter level failures.


Reference:

https://docs.microsoft.com/en-us/azure/virtual-machines/windows/manage-availability https://docs.microsoft.com/en-us/azure/virtual-machines/windows/tutorial-availability-sets



You have an Azure virtual machine named VM1 that runs Windows Server 2019.
You save VM1 as a template named Template1 to the Azure Resource Manager library. You plan to deploy a virtual machine named VM2 from Template1.
What can you configure during the deployment of VM2?

  1. operating system
  2. administrator username
  3. virtual machine size
  4. resource group

Answer(s): D



You have an Azure subscription that contains an Azure virtual machine named VM1. VM1 runs a financial reporting app named App1 that does not support multiple active instances.
At the end of each month, CPU usage for VM1 peaks when App1 runs.

You need to create a scheduled runbook to increase the processor performance of VM1 at the end of each month.What task should you include in the runbook?

  1. Add the Azure Performance Diagnostics agent to VM1.
  2. Modify the VM size property of VM1.
  3. Add VM1 to a scale set.
  4. Increase the vCPU quota for the subscription.
  5. Add a Desired State Configuration (DSC) extension to VM1.

Answer(s): B

Explanation:

Here we need to modify the size of the VM to increase the number of vCPU's assigned to the VM. This can be included as a task in the runbook. The VM size property can be modified by a runbook that is triggered by metrics, but you can schedule it monthly.

C: Scheduled vertical scaling could be a solution, but then you don't need a scheduled runbook and it states that it does not support multiple active instances. Scale Set is not a n option.

E: DSC is only useful to keep the resources on a VM (OS, File shares, etc.) in a consistent state, not to change VM properties.


Reference:

https://www.apress.com/us/blog/all-blog-posts/scale-up-azure-vms/15823864#:~:text=If%20you%20select%20the%20option,to%20the%20next%20larger%20size



You plan to deploy several Azure virtual machines that will run Windows Server 2019 in a virtual machine scale set by using an Azure Resource Manager template.

You need to ensure that NGINX is available on all the virtual machines after they are deployed. What should you use?

  1. Deployment Center in Azure App Service
  2. A Desired State Configuration (DSC) extension
  3. the New-AzConfigurationAssignmentcmdlet
  4. a Microsoft Intune device configuration profile

Answer(s): B

Explanation:

Azure virtual machine extensions are small packages that run post-deployment configuration and automation on Azure virtual machines.

In the following example, the Azure CLI is used to deploy a custom script extension to an existing virtual machine, which installs aNginx webserver.

azvm extension set \
--resource-group myResourceGroup \
--vm-name myVM --name customScript \
--publisher Microsoft.Azure.Extensions \
--settings '{"commandToExecute": "apt-get install -y nginx"}

Note:
There are several versions of this question in the exam. The question has two correct answers:
1. a Desired State Configuration (DSC) extension
2. Azure Custom Script Extension

The question can have other incorrect answer options, including the following:
the Publish-AzVMDscConfigurationcmdlet
Azure Application Insights


Reference:

https://docs.microsoft.com/en-us/azure/architecture/framework/devops/automation-configuration



Page 77 of 154



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