问题：
Your network consists of an Active Directory forest that contains two domains. All servers run Windows Server 2008 R2. All domain controllers are configured as DNS servers.
You have a standard primary zone for dev.contoso.com that is stored on a member server.
You need to ensure that all domain controllers can resolve names from the dev.contoso.com zone. What should you do（）
A . On the member server， create a stub zone.
B . On the member server， create a NS record for each domain controller.
C . On one domain controller， create a conditional forwarder. Configure the conditional forwarder to replicate to all DNS servers in the forest.
D . On one domain controller， create a conditional forwarder. Configure the conditional forwarder to replicate to all DNS servers in the domain.
Your network consists of an Active Directory forest that contains two domains. All servers run Windows Server 2008 R2. All domain controllers are configured as DNS servers.
You have a standard primary zone for dev.contoso.com that is stored on a member server.
You need to ensure that all domain controllers can resolve names from the dev.contoso.com zone. What should you do（）
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