试题详情
- 多项选择题In which three frequency bands does the Cisco Spectrum Expert Wi-Fi tool perform spectrumanalysis？ （）
A、ISM 2.4 GHz
B、ISM 900 MHz
C、ISM 5 GHz
D、public safety 4.9 GHz
E、GSM 1.9 GHz
- A,C,D
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