問題文
An operator is reviewing how its routers put updates on the wire and how often they may send them. The specification describes both the order in which the two kinds of information should be packed into one message and the parameter that limits how often a destination may be advertised again. What does it say?
選択肢
- Withdrawal information should come at the start of a message followed by the reachable routes, and the interval that limits how soon one destination may go out again is set once for the whole router.
- Withdrawal information should come at the start of a message followed by the reachable routes, and the interval that limits how soon one destination may go out again is set for each peer on its own.
- Reachable routes should come at the start of a message followed by the withdrawal details, and the interval that limits how soon one destination may go out again is set once for the whole router.
- Reachable routes should come at the start of a message followed by the withdrawal details, and the interval that limits how soon one destination may go out again is set for each peer on its own.