多选题Which of the following wireless standards can be used to avoid the 2.4GHz range?（） (Select TWO).A802.11gB802.1XC802.11bD802.1nE802.11a
多选题
Which of the following wireless standards can be used to avoid the 2.4GHz range?（） (Select TWO).
A
802.11g
B
802.1X
C
802.11b
D
802.1n
E
802.11a
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