单项选择题 You are designing the top-level OU structure for the company.  Which action or actions should you perform？（）

多项选择题 You are designing a DNS naming strategy for the proposed Active Directory environment.  Which domain name or names should you use？ （）

单项选择题 You are designing a strategy for migrating domain user accounts to the new Windows Server 2003 Active Directory environment. You want to identify the minimum number of trust relationships that need to be manually created to perform this operation.  Which design should you use？ （）