What is the most common value of the hysteresis used when estimating margins for log-normal fading? （）A、3dBB、35dBC、36dBD、38dBE、20dB
What is the most common value of the hysteresis used when estimating margins for log-normal fading? （）
- A、3dB
- B、35dB
- C、36dB
- D、38dB
- E、20dB
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单选题What is the most common mode for a firewall？（）A routed modeB context modeC bridged modeD transparent modeE full security mode