多项选择题
What are three components of a scheduler?（）
A.Forwarding Class B.Priority C.TOS Marking D.Buffer Size E.RED Configuration
单项选择题 What is the purpose of classification, rewrites, and queuing in Juniper routers?（）
单项选择题 Rewrite rules are used in which CoS scenario?（）
多项选择题 Which two options are reasons for using traffic classification?（）
