Chad Notices That There Are Frequent Failures of Active Directory

Multiple Choice

Chad notices that there are frequent failures of Active Directory transactions in the event logs of the domain controllers. These are caused by DNS lookup failures against the Globe.com zone. Chad discovers that the data in one of the DNS zones on DC3 is out of date. What should Chad do to find out why the DNS data on DC3 is out of date?

A) Use Event Viewer to examine the DNS Server log for zone transfer errors.
B) Enable debug logging and examine the log file for transfer packets.
C) Use System Monitor to monitor the DNS\Zone Transfer Failure counter.
D) Use the Replmon utility to look for Active Directory replication errors.