H12-311: HCIA-WLAN V3.0Demo

By Huawei · Question Mode

QuestionQ3

高级路由交换技术

Which of the following are PHY technologies used by 802.11ac?

Choose three
  • A OFDMA
  • B RTS/CTS
  • C 256-QAM
  • D OFDM
  • E MU-MIMO
  • F A-MPDU
Explanation

802.11ac uses an OFDM physical layer, supports 256-QAM modulation, and introduces downlink multi-user MIMO (MU-MIMO). OFDMA is associated with 802.11ax, while RTS/CTS and A-MPDU are MAC-layer features.

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