多项选择题
What are three terminating actions for firewall filters?（）
A. reject B. drop C. permit D. accept E. discard
多项选择题 Which two commands would you use to view OSPF routes? （）
多项选择题 What are two purposes of a forwarding class?（）
单项选择题 Random early detection (RED) is associated with which class of service component?（）
