In IEEE 802.11, _______ is an optional access method that can be implemented in an infrastructure network (not in an ad hoc network).

In IEEE 802.11, _______ is an optional access method that can be imple

1.	In IEEE 802.11, _______ is an optional access method that can be implemented in an infrastructure network (not in an ad hoc network).
A.	DCF
B.	PCF
C.	Either (a) or (b)
D.	Neither (a) nor (b)
Answer» C. Either (a) or (b)