フリー問題

問題文

Every rule is expressed with group names, so nothing in the rules refers to a host directly. What does that indirection create?

選択肢

1. That indirection creates relay hop record at the printed implementation of the project.
2. That indirection creates tighter classification coupling at the printed implementation of the project.
3. That indirection creates extra lookup stage at the printed implementation of the project.
4. That indirection creates conversation path pinning at the printed implementation of the project.