单选题Your company has a single Active Directory forest that has an Active Directory domain named na.contoso.com. A server named Server1 runs the DNS Server server role. You notice stale resource records in the na.contoso.com zone. You have enabled DNS scavenging on Server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. You need to ensure that the stale resource records are removed from na.contoso.com. What should you do？（）AStop and restart the DNS Server service on Server1.BEnable DNS scavenging on the na.contoso.com zone.CRun the dnscmd Server1 /AgeAllRecords command on Server1.DRun the dnscmd Server1 /StartScavenging command on Server1.
单选题
Your company has a single Active Directory forest that has an Active Directory domain named na.contoso.com. A server named Server1 runs the DNS Server server role. You notice stale resource records in the na.contoso.com zone. You have enabled DNS scavenging on Server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. You need to ensure that the stale resource records are removed from na.contoso.com. What should you do？（）
A
Stop and restart the DNS Server service on Server1.
B
Enable DNS scavenging on the na.contoso.com zone.
C
Run the dnscmd Server1 /AgeAllRecords command on Server1.
D
Run the dnscmd Server1 /StartScavenging command on Server1.
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