フリー問題

問題文

A bank runs two production sites and wants each of them to have its own copy at a distant location. Which pair states what the four site shape needs and what one lone pair leaves unguarded?

選択肢

1. The count of legs grows with the sites, so the four site shape needs the doubled transfer and the lone pair leaves the other processors in that consideration.
2. The count of legs grows with the sites, so the four site shape needs the doubled transfer and the lone pair leaves the other primaries in that consideration.
3. The count of legs grows with the sites, so the four site shape needs the doubled arbitration and the lone pair leaves the other processors in that consideration.
4. The count of legs grows with the sites, so the four site shape needs the doubled arbitration and the lone pair leaves the other primaries in that consideration.