フリー問題

問題文

A program collects readings that range from public air quality values to badge swipes that identify named employees. All of it is written to one store with one set of access rules. Which practice most directly determines how each kind of reading should be handled?

選択肢

1. The handling of each reading is determined by uniform encryption by shared keys and identical protection.
2. The handling of each reading is determined by data classification by measured sensitivity and required handling.
3. The handling of each reading is determined by physical separation by distant sites and separate buildings.
4. The handling of each reading is determined by access logging by recorded queries and later review.