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802.11 security is defined in：（）
- A、802.11a.
- B、802.11b.
- C、802.11g.
- D、802.11i.
参考答案
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A network administrator needs to configure port security on a switch.which two statements are true? ()
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单选题802.11 security is defined in：（）A
802.11a.B
802.11b.C
802.11g.D
802.11i.
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