AD DS Diagnostics and Recovery

A departmental administrator is making changes to Group Policy. They're having problems. The issue is escalated by the helpdesk to Tier 3 support. An engineer wonders whether the operations master is offline. Which of the following domain level operations masters is the likely culprit?

An administrator is attempting to recover the sysvol folder. There are three domain controllers within the organization. The administrator recovers a domain controller to an earlier point in time. Which of the following statements is true regarding the next step of the sysvol folder recovery to that same earlier time?