多项选择题
What are three features of the IPV6 protocol?（）
A.complicated header B.plug-and-play C.no broadcasts D.checksums E.optional IPsec F.autoconfiguration
多项选择题 Which two statements about static NAT translations are true?（）
多项选择题 Which three statements about RSTP are true?（）
多项选择题 What are two benefits of using NAT?（）
