You have a single Active Directory domain. AlI domain controllers run Windows Server 2008 and are configured as DNS servers. The domain contains one Active Directory-integrated DNS zone. You need to ensure that outdated DNS records are automatically removed from the DNS zone. What should you do()
A. From the properties of the zone, enable scavenging.
B. From the properties of the zone, disable dynamic updates.
C. From the properties of the zone, modify the TTL of the SOA record.
D. From the command prompt, run ipconfig /flushdns.