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单项选择题 Your network contains an Active Directory domain. The domain contains two domain controllers  named DC1 and DC2.     DC1 hosts a standard primary DNS zone for the domain. Dynamic updates are enabled on the  zone. DC2 hosts a standard secondary DNS zone for the domain.     You need to configure DNS to allow only secure dynamic updates.     What should you do first()

A、On DC1 and DC2, configure a trust anchor.

B、On DC1 and DC2, configure a connection security rule.

C、On DC1, configure the zone transfer settings.

D、On DC1, configure the zone to be stored in Active Directory.

  • D
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