What is the function of the PHY Preamble?

exams CWAP-403 CWAP-403 exam 0 Comments

What is the function of the PHY Preamble?
A . To set the modulation method for the MPDU
B . Allows the receiver to detect and synchronize with the signal
C . To terminate a conversation between transmitter and receiver
D . Carries the NDP used in Transmit Beamforming and MU-MIMO

Answer: B