フリー問題

問題文

While a router holds itself out as unfit for transit, four separate statements govern what it still advertises. One of them concerns the prefixes found inside an area and another the destinations brought in from beyond the domain. Which of that pair belongs to the version written for the newer address family alone, and what does the other one do?

選択肢

1. The one that pushes out the prefixes found inside an area at the highest metric belongs to that version alone, and its companion keeps destinations brought in from beyond the domain out of the area while the load lasts
2. The one that pushes out the prefixes found inside an area at the highest metric belongs to either version, and its companion pushes out the destinations brought in from beyond the domain at the highest cost it can reach
3. The one that pushes out the prefixes found inside an area at the highest metric belongs to that version alone, and its companion pushes out the destinations brought in from beyond the domain at the highest cost it can reach
4. The one that pushes out the prefixes found inside an area at the highest metric belongs to either version, and its companion keeps destinations brought in from beyond the domain out of the area while the load lasts