undercoverlife9040 undercoverlife9040 20-02-2024 Computers and Technology contestada What capabilities defined by the 802.11n-2009 amendment are no longer defined by the 802.11ac-2013 amendment?a) MIMO (Multiple Input, Multiple Output)b) OFDM (Orthogonal Frequency Division Multiplexing)c) Channel bondingd) Beamforming