多项选择题
What are two functions of the RE?（）
A. to maintain routing tables B. to forward traffic toward its destination C. to manage the PFE D. to implement various services such as policing, stateless firewall filtering, and class of service
单项选择题 Which statement is correct regarding the Junos OS?（）
单项选择题 What is the central processing component of the forwarding plane?（）
单项选择题 Which statement describes transit traffic?（）
