Which process is responsible for the configuration of the router and all user commands on a Junos device?（）

A. rpd
B. mgd
C. dcd
D. chassisd

A. The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables
B. The PFE implements advanced services such as policing, stateless firewall filtering, and class of service
C. The PFE sends traffic to the RE for systematic packet forwarding
D. The PFE receives hardware and environmental status messages from the RE

A. Each module uses application-specific integrated circuits (ASICs).
B. Each module runs in its own protected memory space.
C. Each module can be individually restarted.
D. Each module is supported across all Junos platforms.