YouhaveDNSservernamedDC1thatrunsWindowsServer2003ServicePack2（SP2）.DC1hostsanActiveDirectory-integratedzonethathasdynamicupdatesenabled.Youenableagingandscavengingforthezone.Youdiscoverthatstalerecordsarenotbeingremovedfromthezone.Youneedensurethatstalerecordsareremovedfromthezone.Whatshouldyoudo？（）
A.ReducetheRefreshintervalforthezone.
B.Enableagingandscavengingfortheserver.
C.ReducetheNo-Refreshintervalforthezone.
D.OpentheDNSsnap-in,right-clickDC1,andselectUpdateServerDataFiles.
参考答案：B
