フリー問題

問題文

A regulator states that no acknowledged write may be lost, and the two rooms involved sit a couple of kilometers apart on the same campus. Which pair states what the chosen mode does before it answers the host, and where the round trip shows up?

選択肢

1. The requirement leaves no room for lost writes, so the chosen mode waits for both endpoints and the round trip enters the write response in that recommendation.
2. The requirement leaves no room for lost writes, so the chosen mode waits for both endpoints and the round trip enters the write reporting in that recommendation.
3. The requirement leaves no room for lost writes, so the chosen mode waits for both copies and the round trip enters the write response in that recommendation.
4. The requirement leaves no room for lost writes, so the chosen mode waits for both copies and the round trip enters the write reporting in that recommendation.