
Explanation:

Box 1: Set-AzureRmRoleDefinition Input-File C:\SupportRole.json
The Set-AzureRmRoleDefinition cmdlet updates an existing custom role in Azure Role-Based Access Control. Provide the updated role definition as an input to the command as a JSON file or a PSRoleDefinition object.
The role definition for the updated custom role MUST contain the Id and all other required properties of the role even if they are not updated: DisplayName, Description, Actions, AssignableScope Box 2: "*/read*."* Microsoft.Support/*" Microsoft.Support/* Create and manage support tickets
"Microsoft.Support" role definition azure
References:
https://docs.microsoft.com/en-us/azure/role-based-access-control/custom-roles-powershell