When Wi-Fi 6E clients enter the marketplace, what is the most anticipated method of AP discovery? A. Active scanning of the 6 GHz channels using probe request frames B. Passive scanning of the 6 GHz channels using beacon frames C. Out-of-band discovery using reduced neighbor reports (RNRs) D. In-band discovery using reduced neighbor reports (RNRs) E. In-band discovery using Fast Initial Link Setup (FILS) discovery announcement frames