フリー問題

問題文

A large network is being reviewed to see how much the filtering of the private markers would save. In which shape of network does the documentation say the saving is largest?

選択肢

1. The saving is largest where many reflectors or border devices stand clear of the services
2. The saving is largest where many reflectors or border devices share a single marker
3. The saving is largest where many reflectors or border devices run a policy of their very own
4. The saving is largest where many reflectors or border devices sit inside one service alone