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单项选择题 You have DNS server named DC1 that runs Windows Server 2003 Service Pack 2 （SP2）. DC1 hosts an Active Directory-integrated zone that has dynamic updates enabled. You enable aging and scavenging for the zone.You discover that stale records are not being removed from the zone. You need ensure that stale records are removed from the zone. What should you do？（）: A、Reduce the Refresh interval for the zone.; B、Enable aging and scavenging for the server.; C、Reduce the No-Refresh interval for the zone.; D、Open the DNS snap-in, right -click DC1, and select Update Server Data Files.

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