多项选择题
A. Configure the internal DNS server to have a root zone.
B. Configure the Dallas DNS server to use the default root hints.
C. Configure the Dallas DNS server to forward all request for the external namespace to the external DNS server.
D. Create a caching-only DNS server on the perimeter network.
E. Create a stub zone for the external namespace on the Dallas DNS server.
单项选择题 You are designing a strategy to allow users to gain VPN access to the internal network. What should you do？（）
单项选择题 You are designing the DNS name resolution strategy for the internal network. What should you do？ （）
多项选择题 You are designing a NetBIOS naming strategy for the internal domain. What are two possible NetBIOS domain names you can use to achieve your goal？ （）