DRAG DROP (Drag and Drop is not supported)
You are authoring a set of nested Azure Resource Manager templates to deploy multiple Azure resources.
The templates must be tested before deployment and must follow recommended practices.
You need to validate and test the templates before deployment.
Which tools should you use? To answer, drag the appropriate tools to the correct requirements. 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:

- See Explanation section for answer.
Answer(s): A
Explanation:

Box 1: Azure Resource Manager test toolkit
Use ARM template test toolkit
The Azure Resource Manager template (ARM template) test toolkit checks whether your template uses recommended practices. When your template isn't compliant with recommended practices, it returns a list of warnings with the suggested changes. By using the test toolkit, you can learn how to avoid common problems in template development.
Box 2: What-if operation
ARM template deployment what-if operation
Before deploying an Azure Resource Manager template (ARM template), you can preview the changes that will happen. Azure Resource Manager provides the what-if operation to let you see how resources will change if you deploy the template. The what-if operation doesn't make any changes to existing resources.
Instead, it predicts the changes if the specified template is deployed.
Reference:
https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/test-toolkit https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/deploy-what-if
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