Which two methods are used to navigate the menu options of an auto attendant on an MCU?

A.	KPML
B.	DTMF
C.	PiP
D.	PoP
E.	FECC
F.	SCCP

WARNING

the answers are mixed, do not specify in the comment number or the letter of the answer
please write answer#A instead A, answer#B instead B...