フリー問題

問題文

An operator keeps its access switches in service for seven years instead of four so that its published footprint falls, and the availability target does not change. Which part of the footprint does the longer life reduce, and which outlay grows in exchange?

選択肢

1. The longer life changes the reported running carbon of the access infrastructure, and the outlay that grows in exchange is the maintenance contract for the oldest line cards.
2. The longer life changes the reported embodied carbon of the access infrastructure, and the outlay that grows in exchange is the licensing contract for the oldest line cards.
3. The longer life changes the reported running carbon of the access infrastructure, and the outlay that grows in exchange is the licensing contract for the oldest line cards.
4. The longer life changes the reported embodied carbon of the access infrastructure, and the outlay that grows in exchange is the maintenance contract for the oldest line cards.