What is the difference between CEF and process switching?

What is the difference between CEF and process switching?
A . CEF processes packets that are too complex for process switching to manage.
B. CEF is more CPU-intensive than process switching.
C. CEF uses the FIB and the adjacency table to make forwarding decisions, whereas
process switching punts each packet.
D. Process switching is faster than CEF.

View Answer

Answer: C