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Q: 11
During a VHT Transmit Beamforming sounding exchange, the beamformee transmits a Compressed Beamforming frame to the beamformer. What is communicated within this Compressed Beamforming frame?
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Q: 12

Using a portable analyzer you perform a packet capture next to a client STA and you can see that the STA is associated to a BSS. You observe the STA sending packets to the AP and the AP sending packets to the STA. Less the 2% of all packets are retransmissions. You move to capture packets by the AP and, while the retry rate is still very low, you now only see unidirectional traffic from the AP to the client. How do you explain this behavior?

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Q: 13
What is the formula used to calculate the Duration field value in an RTS frame?
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Q: 14
How many frames make up the Group Key Handshake excluding any Ack frames that may be required?
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Q: 15
The PLCP sublayer provides framing by adding a header to create what type of data unit?
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Question 11 of 20 · Page 2 / 2

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