多项选择题
A. Change the functional level.
B. Create an external trust relationship.
C. Run adprep to prepare the research.com forest.
D. Run adprep to prepare the research.com domain.
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？（）
多项选择题 You need to identify the types of inbound traffic that should pass through the perimeter firewall while maintaining the security of the network. Which inbound traffic should be allowed？ （）
单项选择题 You are designing the configuration of the external DNS server to meet the business and technical requirements. What should you do？ （）