A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem?（）
- A、mismatched TKIP encryption
- B、null SSID
- C、cordless phones
- D、mismatched SSID
- E、metal file cabinets
- F、antenna type or direction
正确答案:C,E,F
答案解析:有
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