AsanadministratoratCer-tech.com，youhaveinstalledanewservernamedMS12thatrunsWindowsServer2008.Thisservershouldbeusedforsteamingmediapurposes.SoyouinstallStreamingMediaServicesroleontheserver.SinceallclientmachineshaveWindowsVistaastheiroperatingsystemandtheyonlyuseWindowsMediaPlayer11application，youconfigureaPublishingPointandassignsourceofcontentthathasvideomedia.UsersreportthattheyareunabletopauseandrewindthevideousingWindowsMediaPlayer11.
Whatshouldyoudotoensurethatusershavefullplaybackcontrolofthe streamingmedia？（）