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CompTIA A+ 220-901

Category - Networking

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Which 802.11x standard only operates at 5 GHz?

802.11a
802.11b
802.11g
802.11n

Explanation

Answer: A - 802.11a is the only 802.11x (wireless) standard to operate only at 5GHz.

Key Takeaway - 802.11a operates at 5GHz with a maximum data transfer rate of 54Mbps. 802.11n operates at both 5GHz and 2.4Ghz with a maximum data transfer rate of 600Mbps. 802.11b and g both operate at a frequency of 2.4GHz.

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