フリー問題

問題文

A supervisor marks four programs as favorites at her own desk, then signs in from a spare machine in the plant and finds the same four already marked. Two servers answer requests in turn. The administrator must say where that choice lives and why both servers agree. Which combination holds?

選択肢

1. The choices each person marks are kept in the preference record held on the server, and the two servers stay consistent because the backup task runs between the group members.
2. The choices each person marks are kept in the metering record held on the server, and the two servers stay consistent because the backup task runs between the group members.
3. The choices each person marks are kept in the preference record held on the server, and the two servers stay consistent because the syncing task runs between the group members.
4. The choices each person marks are kept in the metering record held on the server, and the two servers stay consistent because the syncing task runs between the group members.