单项选择题
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.
单项选择题 You have a DNS server that runs Windows Server 2003 Service Pack 2 (SP2).The server contains two zones named nwtraders.com and contoso.com. Nwtraders.com is configured as an Active Directory-integrated zone. Contoso.com is configured as a standard primary zone. You discover that stale resource records are not being removed from contoso.com. Stale resource records are being removed from nwtraders.com.You need to ensure that stale resource records are automatically removed from contoso.com. What should you do?（）
单项选择题 YournetworkcontainsasingleActiveDirectorydomainnamedcontoso.com.ThefunctionallevelofthedomainisWindows2000mixed.YouhaveadomaincontrollernamedDC1thatrunsWindowsServer2003ServicePack2(SP2).DC1hostsastandardprimaryzoneforcontoso.com.Youneedtoensurethatonlycomputersinthecontoso.comdomaincanregisterhostrecordsinthe contoso.comzone.Whatshouldyoudo?（）
单项选择题 You are the network administrator for your company. All network servers run Windows Server 2003 Service Pack 2 (SP2).You deploy a DNS server named DNS1 that runs Windows Server 2003 SP2. You need to configure DNS1 to use your ISP’s DNS servers to resolve all Internet queries. Internet name resolution should fail if the ISP’s DNS servers are unavailable. What should you configure on DNS1 server?（）