フリー問題

問題文

A residence hall keeps one radio name for the whole building while every room is given a secret of its own. What is the reach of traffic between two rooms holding different keys, and what does one key become in that design?

選択肢

1. Within this documentation between rooms holding different keys there is visibility, and in that design one key becomes a shared network.
2. Within this documentation between rooms holding different keys there is silence, and in that design one key becomes a shared network.
3. Within this documentation between rooms holding different keys there is visibility, and in that design one key becomes a private network.
4. Within this documentation between rooms holding different keys there is silence, and in that design one key becomes a private network.