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?()

单项选择题 You have a DNS server that runs Windows Server 2003 Service Pack 2 (SP2). You enable DNS debug logging by using the default settings. You create a primary zone named contoso.com. You need to view all the DNS responses that the DNS server has sent.  What should you do?（）

单项选择题 Your company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 (SP2). In the main office, a server named DNS1 hosts a primary DNS zone for contoso.com. In the branch office, you configure a primary DNS zone for west.contoso.com on a server named DNS2. All servers in the branch office are configured to have the west.contoso.com DNS suffix. You need to ensure that users in the main office can resolve server names in the branch office. You must achieve this goal by using the minimum amount of administrative effort.  What should you do?（）