Which statement describes the PFE?（）
第1题：
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
第2题：
A. It sends the traffic through one egress port toward its destination
B. It sends the traffic through multiple egress ports to all available receivers
C. It sends the traffic through an internal link to the RE
D. It sends the traffic to the local system for further processing
第3题：
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).
第4题：
How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?（）
第5题：
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)
第6题：
A. Transit traffic is handled by the RE only
B. Transit traffic is handled by the PFE only
C. Transit traffic is handled by both the RE and the PFE
D. Transit traffic is not handled by the RE or the PFE
第7题：
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
第8题：
A. show route
B. show route active-path
C. show route private
D. show route forwarding-table
第9题：
A.The Routing Engine handles all exception traffic.
B.The Routing Engine synchronizes the route table with the PFE
C.The Routing Engine is hot-pluggable.
D.The Routing Engine controls the PFE
第10题：
What are two functions of the RE?（）