Your network contains an Active Directory forest. All domain controllers run Windows Server 2008 and are configured as DNS servers. You have an Active Directory-integrated zone for contoso,com. You have a Unix-based DNS server, You need to configure your Windows Server 2008 environment to allow zone transfers of the contoso,com zone to the Unix-based DNS server. What should you do in the DNS Manager console()
A. Disable recursion.
B. Create a stub zone.
Create a secondary zone.
D. Enable BIND secondaries.