多项选择题
Which two parameters are determined during PPP LCP negotiation?（）
A.MRU B.connection speed C.authentication protocol D.anti-replay detection
多项选择题 Which two protocols are connection-oriented?（）
单项选择题 Which application would be suited for UDP traffic?（）
多项选择题 Which three statements describe the User Datagram Protocol (UDP)?（）
