单项选择题
A.Chief information officer
B.IT support staff in Boston
C.IT support staff in New York
D.Network administrator in Chicago
E.Network administrator in New York
多项选择题 YouaredesigningaDNSimplementationstrategyforthenetwork.Whichtwozonetypesshouldyouuse?（）
单项选择题 YouaredesigningtheDNSinfrastructuretomeetthebusinessandtechnicalrequirements.Whatshouldyoudo?（）
单项选择题 YouaredesigninganActiveDirectoryimplementationstrategytopresenttoexecutivesfromyourcompanyandfromContoso,Ltd.Whichimplementationstrategyshouldyouuse?（）