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 You are designing a DNS implementation strategy for the network. Which two zone types should you use？（）
单项选择题 You are designing the DNS infrastructure to meet the business and technical requirements. What should you do？（）
单项选择题 You are designing an Active Directory implementation strategy to present to executives from your company and from Contoso， Ltd. Which implementation strategy should you use？（）