单项选择题
A.As a caching-only DNS servers
B.As the primary DNS server for the fourthcoffee.com DNS zone
C.With a stub zone for the fourthcoffee.com DNS zone hosted by the ISP
D.As a secondary DNS server for the fourthcoffee.com DNS zone hosted by the ISP
单项选择题 Youaredesigningthetop-levelOUstructurefortheexternaldomain.Onwhichfactor/sshouldyoubasethetop-levelOUstructure?（）
多项选择题 Youaredesigningastrategytomigrateuseraccounts.Whichtwoactionsshouldyouperform?（）
单项选择题 YouaredesigningastrategytoensurethatVPNusersareabletoaccessallinternalresources.Whatshouldyoudo?（）