单项选择题
A.Use DNS manager to delete the 127.in-addr.arpa zone.
B.Run the dnscmd /RecordDelete 10.3.2.127 command at the command prompt.
C.Run the dnscmd /ZoneDelete 127.in-addr.arpa command at the command prompt.
D.Run the dnscmd /RecordDelete 10.in-addr.arpa. 127.2.3 PTR command at the command prompt.
单项选择题 Yourcompanyhasamainofficeandtwobranchoffices.DomaincontrollersinthemainofficehostanActiveDirectory-integratedzone.TheDNSserversinthebranchofficeshostasecondaryzoneforthedomainandusethemainofficeDNSserversastheDNSMasterserversforthezone.Eachbranchofficehasanapplicationserver.Usersaccesstheapplicationserverbyusingitsfullyqualifieddomainname.YouneedtoensurethatusersinthebranchofficescanaccesstheirlocalapplicationservereveniftheWANlinksaredownforthreedays.Whatshouldyoudo？（）
单项选择题 YourcompanyhasmultipleDNSserversinthemainoffice.YouplantoinstallDNSonamemberserverinabranchoffice.YouneedtoensurethattheDNSserverinthebranchofficeisabletoqueryanyDNSserverinthemainoffice，andyouneedtolimitthenumberofDNSrecordsthataretransferredtotheDNSserverinthebranchoffice.Whatshouldyoudo？（）
单项选择题 YourcompanyhasanActiveDirectoryforestthathasfivedomains.AllDNSserversaredomaincontrollers.YouneedtoensurethatusersfromalldomainsareabletoaccessaWebservernamedApp1bybrowsingtohttp：//App1.Whatshouldyoudo？（）