Which three of these options are not valid ways to extend wireless coverage in an autonomous AP environment?

Which three of these options are not valid ways to extend wireless coverage in an autonomous AP
environment? (Choose three.)

A.
Add additional APs in repeater mode.

B.
Add additional APs in bridge mode.

C.
Add additional APs in access point mode.

D.
Increase the transmitter power level.

E.
Use both radios.

F.
Position the APs optimally.

G.
Use QoS.