フリー問題

問題文

To tell where a tag is, more than one unit has to hear it and the spot each unit sits in must be written down. Which design change does that add on top of a coverage only design?

選択肢

1. The added change is separate management addressing across all of those location service recommendations.
2. The added change is additional receiver placement across all of those location service recommendations.
3. The added change is stronger transmit amplification across all of those location service recommendations.
4. The added change is centralized controller licensing across all of those location service recommendations.