多项选择题
What are three valid match criteria in a firewall filter applied to a Layer 3 interface?（）
A. IP address B. MAC address C. protocol D. port E. session ID
多项选择题 What are two valid match criteria for a routing policy?（）
多项选择题 What are two valid actions for a routing policy?（）
单项选择题 What is a route filter?（）
