フリー問題

問題文

A staff badge repeats one short message about once a second and only sets up a connection when a reader needs more. Which pair states what the coin cell gains from that pattern and what the paired link does?

選択肢

1. The badge repeats one short message and then joins only when needed, so the coin cell saves the cell life and the paired link opens the short session in that specification.
2. The badge repeats one short message and then joins only when needed, so the coin cell saves the cell mapping and the paired link opens the short pipeline in that specification.
3. The badge repeats one short message and then joins only when needed, so the coin cell saves the cell mapping and the paired link opens the short session in that specification.
4. The badge repeats one short message and then joins only when needed, so the coin cell saves the cell life and the paired link opens the short pipeline in that specification.