多项选择题
Whitch two statements are true regarding the role of the Routing Engine (RE)? （）
A. The RE controls and monitors the chassis B. The RE manages the Packet Forwarding Engine (PFE) C. The RE receives a copy of the forwarding table from the forwarding plane D. The RE implements class of service (COS)
单项选择题 Which statement is true about the forwarding plane?（）
单项选择题 Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?（）
单项选择题 Which statemetn is true regarding the Network Time Protocol (NTP) on Junos devices?（）
