CWNP
CWDP-305 · Question #209
What part of the 802.11n preamble is used by the receiver to estimate the spatially multiplexed signal channel? What mode is this used in?
The correct answer is B. HT-LTF in Mixed and Greenfield modes. See the full explanation below for the reasoning.
Question
What part of the 802.11n preamble is used by the receiver to estimate the spatially multiplexed signal channel? What mode is this used in?
Options
- AHT-STF in Greenfield mode only
- BHT-LTF in Mixed and Greenfield modes
- CHT-LTF in Greenfield mode only
- DHT-STF in Mixed and Greenfield modes
How the community answered
(40 responses)- A8% (3)
- B85% (34)
- C5% (2)
- D3% (1)
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