单项选择题
You are experiencing contention in the queue on an egress interface of the router. Which policy action should be used for congestion control?（）
A.mark B.color C.filter D.discard
单项选择题 What is the maximum number of output policy lists that you can attach to an IP interface?（）
多项选择题 The ERX Edge Router can utilize which two classifiers?（）
单项选择题 Which function enforces logical data throughput rates that are below the actual physical line rate of a port?（）
