When an AP received a WiFi frame destined to the edge router that is directly connected to the AP, the AP will Resend elay the frame to the connected router. Adjust the source and destination MAC addresses of the frame and forward it to the router. Convert the frame to an Ethernet frame and send to router. Convert the frame to an IP packet and send it to the router. What MAC technique a 4G/5G eNode-B uses for supporting multiple accesses in the downstream channel? TDM FDM O CDM O OFDM