You work as an administrator at ABC.com. The ABC.com network has an Active Directory domain named ABC.com. All servers on the ABC.com network have Windows Server 2008 R2 installed and all workstations have Windows 7 installed.

The ABC.com network includes two domain controllers, named ABC-DC01 and ABC-DC02, which have been configured as DNS servers. The DNS zones hosted on ABC-DC01 and ABC-DC02 are configured to be Active Directory-integrated zones that permit dynamic updates.

You are instructed to make sure that old records are automatically deleted from the zone.

Which of the following actions should you take?

A.
You should consider disabling dynamic updates for the zones.

B.
You should consider having aging and scavenging enabled.

C.
You should consider converting the Active Directory-integrated zones to standard primary zones.

D.
You should consider converting the Active Directory-integrated zones to stub zones.