单项选择题
Your network contains a domain controller that is configured as a DNS server. The server hosts an Active Directory-integrated zone for the domain.
You need to reduce how long it takes until stale records are deleted from the zone.
What should you do（）
A.From the configuration directory partition of the forest， modify the tombstone lifetime.
B.From the configuration directory partition of the forest， modify the garbage collection interval.
C.From the aging properties of the zone， modify the no-refresh interval and the refresh interval.
D.From the start of authority （SOA） record of the zone， modify the refresh interval and the expire interval.
相关考题
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单项选择题
Your network contains an Active Directory domain named contoso.com. The domain contains the servers shown in the following table. Server name Operating system Role DC1 Windows Server 2008 Domain controller DC2 Windows Server 2008 R2 Domain controller DNS1 Windows Server 2008 DNS server DNS2 Windows Server 2008 R2 DNS server The functional level of the forest is Windows Server 2003. The functional level of the domain is Windows Server 2003. DNS1 and DNS2 host the contoso.com zone. All client computers run Windows 7 Enterprise. You need to ensure that all of the names in the contoso.com zone are secured by using DNSSEC. What should you do first（）
A.Change the functional level of the forest.
B.Change the functional level of the domain.
C.Upgrade DC1 to Windows Server 2008 R2.
D.Upgrade DNS1 to Windows Server 2008 R2. -
单项选择题
Your company has a main office and a branch office. The network contains an Active Directory domain named contoso.com. The DNS zone for contoso.com is configured as an Active Directory-integrated zone and is replicated to all domain controllers in the domain. The main office contains a writable domain controller named DC1. The branch office contains a read-only domain controller （RODC） named RODC1. All domain controllers run Windows Server 2008 R2 and are configured as DNS servers. You uninstall the DNS server role from RODC1. You need to prevent DNS records from replicating to RODC1. What should you do（）
A.Modify the replication scope for the contoso.com zone.
B.Flush the DNS cache and enable cache locking on RODC1.
C.Configure conditional forwarding for the contoso.com zone.
D.Modify the zone transfer settings for the contoso.com zone. -
单项选择题
Your network contains an Active Directory domain named contoso.com. You create a GlobalNames zone. You add an alias （CNAME） resource record named Server1 to the zone. The target host of the record is server2.contoso.com. When you ping Server1， you discover that the name fails to resolve. You successfully resolve server2.contoso.com. You need to ensure that you can resolve names by using the GlobalNames zone. What should you do（）
A.From the command prompt， use the netsh tool.
B.From the command prompt， use the dnscmd tool.
C.From DNS Manager， modify the properties of the GlobalNames zone.
D.From DNS Manager， modify the advanced settings of the DNS server.
