Using the exhibit as a reference, what is the maximum number of spatial streams that could be used for a downlink HT-OFDM transmission from AP-1 to STA-3?

Question

Exhibit

Options

• AOne spatial stream, because the BSS must maintain backwards compatibility with STA-2, which supports
• BTwo spatial streams, because the number of spatial streams for an HT-OFDM transmission is limited to
• CTwo spatial streams, because the third transmit chain in the HT AP must be used simultaneously for
• DThree spatial streams, because HT-OFDM transmissions will be preceded with protection mechanisms

• A
  3% (1)
• B
  6% (2)
• C
  11% (4)
• D
  81% (29)

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