单项选择题
A. Configure a root zone on the external DNS server.
B. Configure a stub zone for.com on the external dns server.
C. Configure the external DNS server to use the default root hints.
D. Configure the External DNS server to use the ISP’S DNS server as a forwarder.
多项选择题 YouaredesigningtheIPaddressassignmentstrategyfortheVPNusers.Whichtwoactionsshouldyouperform.（）
多项选择题 You are designing a strategy to allow internal users in Dallas to resolve domain names. What are three possible ways to achieve the goal？（）
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？（）