Which three statements describe what happens when processing a frame for a switched packet? (Choose three.)
A . The ingress PFE performs the MAC address lookup.
B. The frame enters the ingress port and is forwarded out all ports.
C. The frame enters the ingress port and is processed by the ingress PFE.
D. The ingress PFE sends the header information to the Routing Engine.
E. The egress PFE forwards the packet out the egress port towards the destination.