What features were introduced in the IEEE 802.11h amendment in order to uphold regulatory
requirements for 5 GHz operation? (Choose two)

A.
Automated Radio Measurement (ARM)

B.
Distributed Coordination Function (DCF)

C.
Frequency Shift Keying (FSK)

D.
Transmit Power Control (TPC)

E.
Radio Resource Management (RRM)

F.
Dynamic Frequency Selection (DFS)