You are the Cisco Network Designer in Cisco.com. Which signal and noise values will result in thebest phone communication with an access point？（）
- A、 signal strength 5dBm
- B、 signal strength 6dBm
- C、 noise level 4dBm
- D、 noise level 5dBm
正确答案:B,D
答案解析:有
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