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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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