Wrong Answers:
B. Billing Administrator makes purchases, manages subscriptions, manages support tickets, and monitors service health. Can’t add role assignments so cannot activate Permissions Management Administrator role.
C. Permissions Management Administrator
Assign the Permissions Management Administrator role to users who need to do the following tasks:
• Manage all aspects of Microsoft Entra Permissions Management, when the service is present.
D. User Access Administrator is an Azure RBAC role, that lets you manage user access to Azure resources. Nothing to do with Permission Management.