フリー問題

問題文

The team compares two ways of proving who calls: a fixed value carried in every request, or a short lived grant handed out by a separate service. Which trade does the second way bring?

選択肢

1. That exchange hands out lasting tokens, and its price arrives as rotation cost for each consumer.
2. That exchange hands out expiring tokens, and its price arrives as rotation cost for each consumer.
3. That exchange hands out expiring tokens, and its price arrives as launch cost for each consumer.
4. That exchange hands out lasting tokens, and its price arrives as launch cost for each consumer.