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Question 157 - PCCET discussion

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Which internet of things (loT) connectivity technology operates on the 2.4GHz and 5GHz bands, as well as all bands between 1 and 6GHz when they become available for 802.11 use. at ranges up to 11 Gbit/s?

A.
3G
Answers
A.
3G
B.
Z-wave
Answers
B.
Z-wave
C.
802.11ax
Answers
C.
802.11ax
D.
C-band
Answers
D.
C-band
Suggested answer: C

Explanation:

802.11ax, also known as Wi-Fi 6, is an internet of things (IoT) connectivity technology that operates on the 2.4GHz and 5GHz bands, as well as all bands between 1 and 6GHz when they become available for 802.11 use, at ranges up to 11 Gbit/s. 802.11ax is designed to improve the performance, efficiency, and capacity of wireless networks, especially in high-density environments such as smart homes, smart cities, and industrial IoT. 802.11ax uses various techniques such as orthogonal frequency division multiple access (OFDMA), multi-user multiple input multiple output (MU-MIMO), target wake time (TWT), and 1024 quadrature amplitude modulation (QAM) to achieve higher data rates, lower latency, longer battery life, and reduced interference for IoT devices.

Reference:

* Wi-Fi 6 (802.11ax) - Palo Alto Networks

* What is Wi-Fi 6? | Wi-Fi 6 Features and Benefits | Cisco

* What is Wi-Fi 6 (802.11ax)? - Definition from WhatIs.com

asked 23/09/2024
Tommy Basnes
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