If the metering tool supports multi-tenancy and integrates with the cloud portal, what should be considered?

If the metering tool supports multi-tenancy and integrates with the cloud portal, what should be considered?
A . Only permit local user access for security reasons
B . Metering tool should not integrate with tenant authentication
C . Metering server access should be allowed for all tenants
D . Role-based access for security reasons

Answer: D