フリー問題

問題文

A commissioning report lists a reported RSSI of minus 92 dBm and a quoted receiver sensitivity of minus 101 dBm. Which pair states what the reported RSSI depends on and what the quoted sensitivity depends on?

選択肢

1. The link closes only when one number clears the other, so the reported RSSI varies with the site and the quoted sensitivity depends on the chosen placement in that specification.
2. The link closes only when one number clears the other, so the reported RSSI varies with the batch and the quoted sensitivity depends on the chosen placement in that specification.
3. The link closes only when one number clears the other, so the reported RSSI varies with the site and the quoted sensitivity depends on the chosen keying in that specification.
4. The link closes only when one number clears the other, so the reported RSSI varies with the batch and the quoted sensitivity depends on the chosen keying in that specification.