Which of the following protocols support the 2.4 GHz band (Select 3 Answers)?

The 802.11n standard uses dual-band (2.4 GHz and 5 GHz), the theoretical transmission rate can reach up to
300 Mbps, and the actual test rate can reach more than 100 Mbps.

Point-to-point wireless bridge can be used to connect two separate network located in different sites, in wireless backhaul connection, Root AP and Leaf AP should set different channels.

Which of the following devices are Huawei Wireless Dual Access AP (Access Point) (Select 2 Answers)?

Regarding the AP6610DN, the following statement is wrong.