多项选择题
Which three fields are part of an ISO NET address?（）
A. AFI B. lo0 address C. N-selector D. IDI E. MAC address
多项选择题 What are two characteristics of multi-field classification?（）
多项选择题 What are two functions associated with JUNOS software class of service?（）
单项选择题 What is the default classifier for IPv4 traffic in JUNOS software?（）
