单项选择题
Which configuration command allows the ERX Edge Router to perform Unicast Reverse Path Forwarding lookups on all packets received on an IP interface?（）
A. ip sa-validate B. ip split-horizon C. ip access-routes D. ip filter-options
单项选择题 What are the maximum number of classifiers per policy group?（）
多项选择题 Which two statements are true about precedence values in policy?（） (Choose two.)
多项选择题 Which three statements are correct about Rate Limiters? （）(Choose three.)
