You have an Azure subscription that contains a Recovery Services vault named Vault1. You need to enable multi-user authorization (MAU) for Vault1. Which resourc...

You have an Azure subscription that contains a Recovery Services vault named Vault1.
You need to enable multi-user authorization (MAU) for Vault1.
Which resource should you create first?

A. an administrative unit B. a managed identity C. a resource guard D. a custom Azure role