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CWNA-108 · Question #197
CWNA-108 Question #197: Real Exam Question with Answer & Explanation
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Question
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?
Options
- AThe clients that must support OFDMA must also be upgraded to 802.11ax
- BOFDMA is an optional feature of 802.11ax and most APs don't even support it
- CAll 5 GHz PHYs use OFDM modulation, so you will achieve OFDMA everywhere in 5 GHz
- DIf the devices support 802.11ac, they can be updated to support OFDMA through driver upgrades
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