Which of these wireless standards can use the 5 GHz frequency range? Pick two.
A) 802.11a
B) 802.11b
C) 802.11g
D) 802.11n
E) I can hear AM radio stations in my teeth
The answers: A) 802.11a and D) 802.11n
The 802.11a was one of the original wireless standards, and it used the 5 GHz range exclusively. The 802.11n standard can use either 2.4 GHz and/or 5 GHz in normal operation.
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