单项选择题YouhaveanExchangeorganization.AllserversintheorganizationhaveExchangeServer2010ServicePack1(SP1)installed.Youneedtoensurethateachuserwhosendsameetingrequesttoaroommailboxreceivesacustommessagefromthemailbox.Whatshouldyoudofromthepropertiesofthemailbox?()
A.Configure the Mailbox Features settings.
B.Configure the Mail Flow settings.
C.Enable the Resource Booking Attendant.
D.Configure the Resource Information settings.
E.Configure the Resource In-Policy Requests settings.
F.Configure the Resource Policy settings.