The option that is an advantages of centralized management using directory services are:
a. Role based access can organize user group centrally
b. config management is centralized
Centralized Management, which depends on Active Directory® directory services, offers a strong and affordable way to manage server and user policy. Along with enforcing tight security standards, it also makes it possible to extend access permissions to external reseller and customer users.
Note that Role-based access control; By altering role membership and allowing for inheritance to give permissions, role-based access control makes it simpler to govern access rights (instead of granting each permission individually for each user account).
The management of configurations for hardware and services is made simpler by centralized configuration management. This can be centralized to make it simpler to simultaneously push updates across multiple platforms.
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