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Question 305 - 220-1101 discussion

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Which of the following 802.11 Wi-Fi protocols utilizes the 5.0GHz frequency and has the BEST speed and reception?

A.
802.11a
Answers
A.
802.11a
B.
802.11 ax
Answers
B.
802.11 ax
C.
802.11b/g/n
Answers
C.
802.11b/g/n
D.
802.11n
Answers
D.
802.11n
Suggested answer: B

Explanation:

802.11 ax is a wireless networking protocol that utilizes the 5.0GHz frequency and has the best speed and reception among the options given. 802.11 ax offers higher data rates, lower latency, increased capacity, and improved power efficiency than previous protocols. It is also known as Wi-Fi 6 or High Efficiency Wireless (HEW). 802.11a also uses the 5.0GHz frequency, but it is an older protocol that has lower speed and reception than 802.11 ax. 802.11b/g/n use the 2.4GHz frequency, which is more crowded and prone to interference than the 5.0GHz frequency. 802.11n can use both frequencies, but it is also slower and less efficient than 802.11 ax. Reference:

https://www.comptia.org/training/books/a-core-1-220-1101-study-guide (page 82)

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asked 02/10/2024
Mita Balija
41 questions
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