单项选择题
A. Upgrade the New York domain. Upgrade the Chicago domain. Create a pristine forest for Contoso， Ltd.
B. Create a pristine forest. Upgrade the New York domain. Upgrade the Chicago domain. Do nothing further.
C. Create pristine forest. Upgrade the New York domain.Upgrade the Chicago domain.Create a pristine forest for Contoso， Ltd.
D. Create a pristine forest.Upgrade the New York domain. Upgrade the Chicago domain.Create a new child domain for Contoso， Ltd.
单项选择题 You are designing a forest and domain structure to address the concerns of Contoso， Ltd.， and to meet the business and technical requirements. You want to use the minimum number of domains and forests that are required. Which domain structure should you use？（）
多项选择题 You are designing the IP addressing scheme for the new Barcelona office. Which network address or addresses are valid for your design？（）
单项选择题 You are designing the placement of the PDC emulator role to meet the business and technical requirements. In which location should you place the PDC emulator role？（）