フリー問題

問題文

Operators need the last hour of readings within seconds to run a plant, while analysts run queries that scan three years of history and take minutes. Both currently use the same store and the operators' screens have become slow. Which arrangement addresses this?

選択肢

1. The slowdown is addressed by adding the extra capacity from the shared store.
2. The slowdown is addressed by moving the analytical queries from the working hours.
3. The slowdown is addressed by splitting the recent readings from the historical archive.
4. The slowdown is addressed by reducing the reporting interval from the installed devices.