Which of the following is not a characteristic of fast switching?
A. Fast switching reduces a routers CPU utilization, compared to process switching.
B. All packets of a flow, except for the first packet, use the information in the fast cache.
C. It can be enabled with the interface command ip route-cache.
D. Fast switching uses a fast cache maintained in a router’s control plane.
E. The fast cache contains information about how traffic from different data flows should be forwarded.
F. Even though the fast switching is enabled, the first packet of a flow is still process switched.
