Cer-tech.comhasaserverthatrunsWindowsServer2008.YouhaveinstalledtheWebServer（IIS）roleonit.Cer-techplanstohostmultiplewebsitesontheserver.ToachievethisyouconfigureasingleIPaddressontheserver.YoualsoconfigureallwebsitestoberegisteredinDNStopointtothesingleIP addressconfiguredontheserver.Youhavetomakesurethateachandeverywebsiterespondsonlytothenamerequestsfromallclientmachines.Whatshouldyoudotoachievethistask？（）
A.ConfiguretheprimaryandsecondaryDNStopointtotheserver’sIPaddress
B.Configureanetworkaddressforeachwebsite
C.Assignauniqueportforeachwebsite
D.ConfigureandassignauniqueHostHeadertoeachwebsite
参考答案：D
