Which option correctly identifies the Cisco IOS switching methods in descending order from the fastest method to the slowest method?

A.
CEF, distributed CEF (dCEF), fast switching, process switching

B.
distributed CEF (dCEF), CEF, fast switching, process switching

C.
fast switching, process switching, distributed CEF (dCEF), CEF

D.
process switching, fast switching, distributed CEF (dCEF), CEF

E.
process switching, distributed CEF (dCEF), CEF, fast switching

F.
process switching, CEF, distributed CEF (dCEF), fast switching