单选题Which of the following WLAN protocols is in the 5GHz band with a MAXIMUM data rate of 54Mbps?（）A802.11aB802.11bC802.11gD802.11n
单选题
Which of the following WLAN protocols is in the 5GHz band with a MAXIMUM data rate of 54Mbps?（）
A
802.11a
B
802.11b
C
802.11g
D
802.11n
参考解析
解析：
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