フリー問題

問題文

Two routers advertise the same destination from the same autonomous system, and the sending side wants the receiving side to prefer one of the two entry points. Which attribute is intended for that hint, and how far does it travel?

選択肢

1. The origin code attribute travels to the adjacent system and stops there.
2. The recorded aggregator attribute travels to the adjacent system and stops there.
3. The discriminator attribute travels to the adjacent system and stops there.
4. The transitive community attribute travels to the adjacent system and stops there.