单项选择题
A. As a caching-only DNS servers
B. As the primary DNS server for the fourthcoffee.com DNS zone
C. With a stub zone for the fourthcoffee.com DNS zone hosted by the ISP
D. As a secondary DNS server for the fourthcoffee.com DNS zone hosted by the ISP
单项选择题 You are designing the top-level OU structure for the external domain. On which factor/s should you base the top-level OU structure？（）
多项选择题 You are designing a strategy to migrate user accounts. Which two actions should you perform？（）
单项选择题 You are designing a strategy to ensure that VPN users are able to access all internal resources. What should you do？（）