单项选择题
A.DNS
B.WINS
C.Hosts file
D.Lmhosts file
单项选择题 YouaredesigningasitetopologyforthenewActiveDirectoryenvironment.Whatshouldyoudo?（）
多项选择题 Youaredesigningadomainnamingstrategyforthenewenvironment.Whichtwoactionsshouldyouperform?（）
多项选择题 Youaredesigninganauthenticationsolutiontomeetthesecurityneedsofthenetworkadministrators.Youinstallanenterprisecertificationauthority(CA).Whichthreeadditionalactionsshouldyoutake?（）