Câu 5: CWNA-109: Certified Wireless Network Administrator

You have implemented an 802.11ax WLAN for a customer. All APs are four stream HE APs. The customer states that it is essential that most of the clients can use the OFDMA modulation scheme. What do you tell the customer?

1. A. All 5 GHz PHYs use OFDM modulation, so you will achieve OFDMA everywhere in 5 GHz — đáp án hiện tại
2. B. If the devices support 802.11ac, they can be updated to support OFDMA through driver upgrades
3. C. OFDMA is an optional feature of 802.11ax and most APs don’t even support it
4. D. The clients that must support OFDMA must be using an 802.11ax or Wi-Fi 6/6E chipset