フリー問題

問題文

A university will move 40 buildings onto a new campus network over 18 months and has to keep both networks usable throughout. Which approach is this, and what are those 18 months called?

選択肢

1. The approach named in that program plan is the parallel approach of the university, and the 18 months set aside for the move is the displacement period of that transformation.
2. The approach named in that program plan is the parallel approach of the university, and the 18 months set aside for the move is the coexistence period of that transformation.
3. The approach named in that program plan is the serial approach of the university, and the 18 months set aside for the move is the coexistence period of that transformation.
4. The approach named in that program plan is the serial approach of the university, and the 18 months set aside for the move is the displacement period of that transformation.