Which action should the administrator perform?

A mid-size company with a vSphere 5 cluster wants to enable their helpdesk staff to be able to acknowledge alarms on the hosts. Currently the group “HelpDesk” has the Read-only role assigned to the Cluster object.

Which action should the administrator perform?

A.
Enable Propagate to Child Objects on the current permission.

B.
Move the current permission to the Datacenter object.

C.
Add the Alarms – Acknowledge Alarm privilege to the current role and enable “Propagate to Child Objects”

D.
Clone the role, add the Alarms – Acknowledge Alarm privilege, replace the current role.