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The answer is B. 802.11g
The correct answer is B. 802.11g. Here's why:
802.11a: Operates in the 5 GHz frequency band.
802.11b: Supports both 2.4 GHz and 5 GHz bands.
802.11g: Supports only the 2.4 GHz band.
802.11n: Supports both 2.4 GHz and 5 GHz bands.
802.11ax: Supports both 2.4 GHz, 5 GHz, and 6 GHz bands.
Therefore, only 802.11g operates exclusively in the 2.4 GHz frequency band.
B. 802.11g
Explanation:
802.11g operates in the 2.4 GHz frequency band and provides backward compatibility with 802.11b. It does not support the 5 GHz frequency band.
802.11a operates in the 5 GHz frequency band.
802.11n and 802.11ax can operate in both the 2.4
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