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Question 47 - HPE7-A01 discussion

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A large retail client is looking to generate a rich set of contextual data based on the location information of wireless clients in their stores Which standard uses Round Trip Time (RTT) and Fine Time Measurements (FTM) to calculate the distance a client is from an AP?

A.
802.11ah
Answers
A.
802.11ah
B.
802.11mc
Answers
B.
802.11mc
C.
802.11be
Answers
C.
802.11be
D.
802.11V
Answers
D.
802.11V
Suggested answer: B

Explanation:

802.11mc is a standard that uses Round Trip Time (RTT) and Fine Time Measurements (FTM) to calculate the distance a client is from an AP. 802.11mc defines a protocol for exchanging FTM frames between an AP and a client, which contain timestamps that indicate when the frames were transmitted and received. By measuring the RTT of these frames, the AP or the client can estimate their distance based on the speed of light. The other options are incorrect because they either do not use RTT or FTM or do not exist as standards.

Reference: https://www.arubanetworks.com/assets/wp/WP_WiFi6.pdf https://www.arubanetworks.com/assets/ds/DS_AP510Series.pdf

asked 16/09/2024
Antonio Pombo
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