多项选择题 You need to identify the features that will be available immediately after the domain migration to the new environment is complete.  Which feature or features will be available？（）

单项选择题 You are designing an IP addressing strategy for your VPN solution.  How many public addresses should you use？（）

单项选择题 You are designing the placement of the global catalog servers. You want to use the minimum number of global catalog servers that are required.  Which design should you use？（）