多项选择题
A. Client operating systems in use.
B. Server operating systems in use.
C. VPN client access by using PPTP.
D. Installation of Active Directory client software.
单项选择题 You are designing a DNS name resolution strategy to meet the business and technical requirements. Which action or actions should you perform？（）
单项选择题 As part of your design， you are evaluating whether a second-level organizational unit （OU） structure is required. Which factor necessitates the need for a second-level OU structure？（）
单项选择题 You are designing the Windows Server 2003 Active Directory forest structure to meet the business and technical requirements. Which forest structure should you use？（）