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juniper-jncis-mistai-wireless_d1_d6faaa683a00 domain/d1 · medium single

A wireless administrator is comparing 802.11ac to 802.11ax to justify an upgrade. Which statement correctly describes an enhancement that 802.11ax introduces over 802.11ac regarding MU-MIMO?

A 802.11ax adds uplink MU-MIMO and increases the group size from 4 to 8 users
B 802.11ax introduces downlink MU-MIMO for the first time
C 802.11ax removes MU-MIMO in favor of OFDMA only
D 802.11ax limits MU-MIMO to 4 users while 802.11ac supported 8

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